diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index fd479090c53..bc09440dd7e 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -9803,8 +9803,8 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                                 }
                             });
 
-                            Debug.assert(setter && isFunctionLikeDeclaration(setter));
-                            const paramSymbol: Symbol | undefined = getSignatureFromDeclaration(setter).parameters[0];
+                            Debug.assert(!!setter);
+                            const paramSymbol = isFunctionLikeDeclaration(setter) ? getSignatureFromDeclaration(setter).parameters[0] : undefined;
 
                             result.push(setTextRange(
                                 factory.createSetAccessorDeclaration(
diff --git a/tests/baselines/reference/jsDeclarationsGetterSetter.js b/tests/baselines/reference/jsDeclarationsGetterSetter.js
index 31941471c03..90a1a35f8a8 100644
--- a/tests/baselines/reference/jsDeclarationsGetterSetter.js
+++ b/tests/baselines/reference/jsDeclarationsGetterSetter.js
@@ -61,6 +61,63 @@ export class H {}
 Object.defineProperty(H.prototype, "x", {
     set() {}
 });
+
+
+export class I {}
+Object.defineProperty(I.prototype, "x", {
+    /**
+     * @param {number} v
+     */
+    set: (v) => {}
+});
+
+/**
+ * @param {number} v
+ */
+const jSetter = (v) => {}
+export class J {}
+Object.defineProperty(J.prototype, "x", {
+    set: jSetter
+});
+
+/**
+ * @param {number} v
+ */
+const kSetter1 = (v) => {}
+/**
+ * @param {number} v
+ */
+const kSetter2 = (v) => {}
+export class K {}
+Object.defineProperty(K.prototype, "x", {
+    set: Math.random() ? kSetter1 : kSetter2
+});
+
+/**
+ * @param {number} v
+ */
+const lSetter1 = (v) => {}
+/**
+ * @param {string} v
+ */
+const lSetter2 = (v) => {}
+export class L {}
+Object.defineProperty(L.prototype, "x", {
+    set: Math.random() ? lSetter1 : lSetter2
+});
+
+/**
+ * @param {number | boolean} v
+ */
+const mSetter1 = (v) => {}
+/**
+ * @param {string | boolean} v
+ */
+const mSetter2 = (v) => {}
+export class M {}
+Object.defineProperty(M.prototype, "x", {
+    set: Math.random() ? mSetter1 : mSetter2
+});
 
 
 //// [index.js]
@@ -122,6 +179,62 @@ export class H {
 Object.defineProperty(H.prototype, "x", {
     set() { }
 });
+export class I {
+}
+Object.defineProperty(I.prototype, "x", {
+    /**
+     * @param {number} v
+     */
+    set: (v) => { }
+});
+/**
+ * @param {number} v
+ */
+const jSetter = (v) => { };
+export class J {
+}
+Object.defineProperty(J.prototype, "x", {
+    set: jSetter
+});
+/**
+ * @param {number} v
+ */
+const kSetter1 = (v) => { };
+/**
+ * @param {number} v
+ */
+const kSetter2 = (v) => { };
+export class K {
+}
+Object.defineProperty(K.prototype, "x", {
+    set: Math.random() ? kSetter1 : kSetter2
+});
+/**
+ * @param {number} v
+ */
+const lSetter1 = (v) => { };
+/**
+ * @param {string} v
+ */
+const lSetter2 = (v) => { };
+export class L {
+}
+Object.defineProperty(L.prototype, "x", {
+    set: Math.random() ? lSetter1 : lSetter2
+});
+/**
+ * @param {number | boolean} v
+ */
+const mSetter1 = (v) => { };
+/**
+ * @param {string | boolean} v
+ */
+const mSetter2 = (v) => { };
+export class M {
+}
+Object.defineProperty(M.prototype, "x", {
+    set: Math.random() ? mSetter1 : mSetter2
+});
 
 
 //// [index.d.ts]
@@ -154,3 +267,18 @@ export class G {
 export class H {
     set x(value: any);
 }
+export class I {
+    set x(value: number);
+}
+export class J {
+    set x(value: number);
+}
+export class K {
+    set x(value: number);
+}
+export class L {
+    set x(value: any);
+}
+export class M {
+    set x(value: any);
+}
diff --git a/tests/baselines/reference/jsDeclarationsGetterSetter.symbols b/tests/baselines/reference/jsDeclarationsGetterSetter.symbols
index d0d98a8158c..90a1d37bbbb 100644
--- a/tests/baselines/reference/jsDeclarationsGetterSetter.symbols
+++ b/tests/baselines/reference/jsDeclarationsGetterSetter.symbols
@@ -141,3 +141,158 @@ Object.defineProperty(H.prototype, "x", {
 
 });
 
+
+export class I {}
+>I : Symbol(I, Decl(index.js, 59, 3))
+
+Object.defineProperty(I.prototype, "x", {
+>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>I.prototype : Symbol(I.prototype)
+>I : Symbol(I, Decl(index.js, 59, 3))
+>prototype : Symbol(I.prototype)
+>"x" : Symbol(I.x, Decl(index.js, 62, 17))
+
+    /**
+     * @param {number} v
+     */
+    set: (v) => {}
+>set : Symbol(set, Decl(index.js, 63, 41))
+>v : Symbol(v, Decl(index.js, 67, 10))
+
+});
+
+/**
+ * @param {number} v
+ */
+const jSetter = (v) => {}
+>jSetter : Symbol(jSetter, Decl(index.js, 73, 5))
+>v : Symbol(v, Decl(index.js, 73, 17))
+
+export class J {}
+>J : Symbol(J, Decl(index.js, 73, 25))
+
+Object.defineProperty(J.prototype, "x", {
+>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>J.prototype : Symbol(J.prototype)
+>J : Symbol(J, Decl(index.js, 73, 25))
+>prototype : Symbol(J.prototype)
+>"x" : Symbol(J.x, Decl(index.js, 74, 17))
+
+    set: jSetter
+>set : Symbol(set, Decl(index.js, 75, 41))
+>jSetter : Symbol(jSetter, Decl(index.js, 73, 5))
+
+});
+
+/**
+ * @param {number} v
+ */
+const kSetter1 = (v) => {}
+>kSetter1 : Symbol(kSetter1, Decl(index.js, 82, 5))
+>v : Symbol(v, Decl(index.js, 82, 18))
+
+/**
+ * @param {number} v
+ */
+const kSetter2 = (v) => {}
+>kSetter2 : Symbol(kSetter2, Decl(index.js, 86, 5))
+>v : Symbol(v, Decl(index.js, 86, 18))
+
+export class K {}
+>K : Symbol(K, Decl(index.js, 86, 26))
+
+Object.defineProperty(K.prototype, "x", {
+>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>K.prototype : Symbol(K.prototype)
+>K : Symbol(K, Decl(index.js, 86, 26))
+>prototype : Symbol(K.prototype)
+>"x" : Symbol(K.x, Decl(index.js, 87, 17))
+
+    set: Math.random() ? kSetter1 : kSetter2
+>set : Symbol(set, Decl(index.js, 88, 41))
+>Math.random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>kSetter1 : Symbol(kSetter1, Decl(index.js, 82, 5))
+>kSetter2 : Symbol(kSetter2, Decl(index.js, 86, 5))
+
+});
+
+/**
+ * @param {number} v
+ */
+const lSetter1 = (v) => {}
+>lSetter1 : Symbol(lSetter1, Decl(index.js, 95, 5))
+>v : Symbol(v, Decl(index.js, 95, 18))
+
+/**
+ * @param {string} v
+ */
+const lSetter2 = (v) => {}
+>lSetter2 : Symbol(lSetter2, Decl(index.js, 99, 5))
+>v : Symbol(v, Decl(index.js, 99, 18))
+
+export class L {}
+>L : Symbol(L, Decl(index.js, 99, 26))
+
+Object.defineProperty(L.prototype, "x", {
+>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>L.prototype : Symbol(L.prototype)
+>L : Symbol(L, Decl(index.js, 99, 26))
+>prototype : Symbol(L.prototype)
+>"x" : Symbol(L.x, Decl(index.js, 100, 17))
+
+    set: Math.random() ? lSetter1 : lSetter2
+>set : Symbol(set, Decl(index.js, 101, 41))
+>Math.random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>lSetter1 : Symbol(lSetter1, Decl(index.js, 95, 5))
+>lSetter2 : Symbol(lSetter2, Decl(index.js, 99, 5))
+
+});
+
+/**
+ * @param {number | boolean} v
+ */
+const mSetter1 = (v) => {}
+>mSetter1 : Symbol(mSetter1, Decl(index.js, 108, 5))
+>v : Symbol(v, Decl(index.js, 108, 18))
+
+/**
+ * @param {string | boolean} v
+ */
+const mSetter2 = (v) => {}
+>mSetter2 : Symbol(mSetter2, Decl(index.js, 112, 5))
+>v : Symbol(v, Decl(index.js, 112, 18))
+
+export class M {}
+>M : Symbol(M, Decl(index.js, 112, 26))
+
+Object.defineProperty(M.prototype, "x", {
+>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
+>M.prototype : Symbol(M.prototype)
+>M : Symbol(M, Decl(index.js, 112, 26))
+>prototype : Symbol(M.prototype)
+>"x" : Symbol(M.x, Decl(index.js, 113, 17))
+
+    set: Math.random() ? mSetter1 : mSetter2
+>set : Symbol(set, Decl(index.js, 114, 41))
+>Math.random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>random : Symbol(Math.random, Decl(lib.es5.d.ts, --, --))
+>mSetter1 : Symbol(mSetter1, Decl(index.js, 108, 5))
+>mSetter2 : Symbol(mSetter2, Decl(index.js, 112, 5))
+
+});
+
diff --git a/tests/baselines/reference/jsDeclarationsGetterSetter.types b/tests/baselines/reference/jsDeclarationsGetterSetter.types
index 3b4ce594885..d0746a23a3e 100644
--- a/tests/baselines/reference/jsDeclarationsGetterSetter.types
+++ b/tests/baselines/reference/jsDeclarationsGetterSetter.types
@@ -156,3 +156,182 @@ Object.defineProperty(H.prototype, "x", {
 
 });
 
+
+export class I {}
+>I : I
+
+Object.defineProperty(I.prototype, "x", {
+>Object.defineProperty(I.prototype, "x", {    /**     * @param {number} v     */    set: (v) => {}}) : I
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>Object : ObjectConstructor
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>I.prototype : I
+>I : typeof I
+>prototype : I
+>"x" : "x"
+>{    /**     * @param {number} v     */    set: (v) => {}} : { set: (v: number) => void; }
+
+    /**
+     * @param {number} v
+     */
+    set: (v) => {}
+>set : (v: number) => void
+>(v) => {} : (v: number) => void
+>v : number
+
+});
+
+/**
+ * @param {number} v
+ */
+const jSetter = (v) => {}
+>jSetter : (v: number) => void
+>(v) => {} : (v: number) => void
+>v : number
+
+export class J {}
+>J : J
+
+Object.defineProperty(J.prototype, "x", {
+>Object.defineProperty(J.prototype, "x", {    set: jSetter}) : J
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>Object : ObjectConstructor
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>J.prototype : J
+>J : typeof J
+>prototype : J
+>"x" : "x"
+>{    set: jSetter} : { set: (v: number) => void; }
+
+    set: jSetter
+>set : (v: number) => void
+>jSetter : (v: number) => void
+
+});
+
+/**
+ * @param {number} v
+ */
+const kSetter1 = (v) => {}
+>kSetter1 : (v: number) => void
+>(v) => {} : (v: number) => void
+>v : number
+
+/**
+ * @param {number} v
+ */
+const kSetter2 = (v) => {}
+>kSetter2 : (v: number) => void
+>(v) => {} : (v: number) => void
+>v : number
+
+export class K {}
+>K : K
+
+Object.defineProperty(K.prototype, "x", {
+>Object.defineProperty(K.prototype, "x", {    set: Math.random() ? kSetter1 : kSetter2}) : K
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>Object : ObjectConstructor
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>K.prototype : K
+>K : typeof K
+>prototype : K
+>"x" : "x"
+>{    set: Math.random() ? kSetter1 : kSetter2} : { set: (v: number) => void; }
+
+    set: Math.random() ? kSetter1 : kSetter2
+>set : (v: number) => void
+>Math.random() ? kSetter1 : kSetter2 : (v: number) => void
+>Math.random() : number
+>Math.random : () => number
+>Math : Math
+>random : () => number
+>kSetter1 : (v: number) => void
+>kSetter2 : (v: number) => void
+
+});
+
+/**
+ * @param {number} v
+ */
+const lSetter1 = (v) => {}
+>lSetter1 : (v: number) => void
+>(v) => {} : (v: number) => void
+>v : number
+
+/**
+ * @param {string} v
+ */
+const lSetter2 = (v) => {}
+>lSetter2 : (v: string) => void
+>(v) => {} : (v: string) => void
+>v : string
+
+export class L {}
+>L : L
+
+Object.defineProperty(L.prototype, "x", {
+>Object.defineProperty(L.prototype, "x", {    set: Math.random() ? lSetter1 : lSetter2}) : L
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>Object : ObjectConstructor
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>L.prototype : L
+>L : typeof L
+>prototype : L
+>"x" : "x"
+>{    set: Math.random() ? lSetter1 : lSetter2} : { set: ((v: number) => void) | ((v: string) => void); }
+
+    set: Math.random() ? lSetter1 : lSetter2
+>set : ((v: number) => void) | ((v: string) => void)
+>Math.random() ? lSetter1 : lSetter2 : ((v: number) => void) | ((v: string) => void)
+>Math.random() : number
+>Math.random : () => number
+>Math : Math
+>random : () => number
+>lSetter1 : (v: number) => void
+>lSetter2 : (v: string) => void
+
+});
+
+/**
+ * @param {number | boolean} v
+ */
+const mSetter1 = (v) => {}
+>mSetter1 : (v: number | boolean) => void
+>(v) => {} : (v: number | boolean) => void
+>v : number | boolean
+
+/**
+ * @param {string | boolean} v
+ */
+const mSetter2 = (v) => {}
+>mSetter2 : (v: string | boolean) => void
+>(v) => {} : (v: string | boolean) => void
+>v : string | boolean
+
+export class M {}
+>M : M
+
+Object.defineProperty(M.prototype, "x", {
+>Object.defineProperty(M.prototype, "x", {    set: Math.random() ? mSetter1 : mSetter2}) : M
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>Object : ObjectConstructor
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
+>M.prototype : M
+>M : typeof M
+>prototype : M
+>"x" : "x"
+>{    set: Math.random() ? mSetter1 : mSetter2} : { set: ((v: number | boolean) => void) | ((v: string | boolean) => void); }
+
+    set: Math.random() ? mSetter1 : mSetter2
+>set : ((v: number | boolean) => void) | ((v: string | boolean) => void)
+>Math.random() ? mSetter1 : mSetter2 : ((v: number | boolean) => void) | ((v: string | boolean) => void)
+>Math.random() : number
+>Math.random : () => number
+>Math : Math
+>random : () => number
+>mSetter1 : (v: number | boolean) => void
+>mSetter2 : (v: string | boolean) => void
+
+});
+
diff --git a/tests/cases/conformance/jsdoc/declarations/jsDeclarationsGetterSetter.ts b/tests/cases/conformance/jsdoc/declarations/jsDeclarationsGetterSetter.ts
index f42dcf64573..aacd4997074 100644
--- a/tests/cases/conformance/jsdoc/declarations/jsDeclarationsGetterSetter.ts
+++ b/tests/cases/conformance/jsdoc/declarations/jsDeclarationsGetterSetter.ts
@@ -64,3 +64,60 @@ export class H {}
 Object.defineProperty(H.prototype, "x", {
     set() {}
 });
+
+
+export class I {}
+Object.defineProperty(I.prototype, "x", {
+    /**
+     * @param {number} v
+     */
+    set: (v) => {}
+});
+
+/**
+ * @param {number} v
+ */
+const jSetter = (v) => {}
+export class J {}
+Object.defineProperty(J.prototype, "x", {
+    set: jSetter
+});
+
+/**
+ * @param {number} v
+ */
+const kSetter1 = (v) => {}
+/**
+ * @param {number} v
+ */
+const kSetter2 = (v) => {}
+export class K {}
+Object.defineProperty(K.prototype, "x", {
+    set: Math.random() ? kSetter1 : kSetter2
+});
+
+/**
+ * @param {number} v
+ */
+const lSetter1 = (v) => {}
+/**
+ * @param {string} v
+ */
+const lSetter2 = (v) => {}
+export class L {}
+Object.defineProperty(L.prototype, "x", {
+    set: Math.random() ? lSetter1 : lSetter2
+});
+
+/**
+ * @param {number | boolean} v
+ */
+const mSetter1 = (v) => {}
+/**
+ * @param {string | boolean} v
+ */
+const mSetter2 = (v) => {}
+export class M {}
+Object.defineProperty(M.prototype, "x", {
+    set: Math.random() ? mSetter1 : mSetter2
+});