diff --git a/src/testRunner/unittests/convertToAsyncFunction.ts b/src/testRunner/unittests/convertToAsyncFunction.ts
index d7e70e4d1e5..5eb49eaa445 100644
--- a/src/testRunner/unittests/convertToAsyncFunction.ts
+++ b/src/testRunner/unittests/convertToAsyncFunction.ts
@@ -421,6 +421,15 @@ function [#|f|](): Promise<void> {
     return fetch('https://typescriptlang.org').then( () => console.log("almost done") ).then( () => console.log("done") );
 }`
         );
+        _testConvertToAsyncFunction("convertToAsyncFunction_IgnoreArgs4", `
+function [#|f|]() {
+    return fetch('https://typescriptlang.org').then(res);
+}
+function res(){
+    console.log("done");
+}`
+        );
+
         _testConvertToAsyncFunction("convertToAsyncFunction_Method", `
 class Parser {
     [#|f|]():Promise<void> {
diff --git a/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.js b/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.js
new file mode 100644
index 00000000000..a03eb467b2f
--- /dev/null
+++ b/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.js
@@ -0,0 +1,17 @@
+// ==ORIGINAL==
+
+function /*[#|*/f/*|]*/() {
+    return fetch('https://typescriptlang.org').then(res);
+}
+function res(){
+    console.log("done");
+}
+// ==ASYNC FUNCTION::Convert to async function==
+
+async function f() {
+    const result_1 = await fetch('https://typescriptlang.org');
+    return res(result_1);
+}
+function res(){
+    console.log("done");
+}
\ No newline at end of file
diff --git a/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.ts b/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.ts
new file mode 100644
index 00000000000..a03eb467b2f
--- /dev/null
+++ b/tests/baselines/reference/convertToAsyncFunction/convertToAsyncFunction_IgnoreArgs4.ts
@@ -0,0 +1,17 @@
+// ==ORIGINAL==
+
+function /*[#|*/f/*|]*/() {
+    return fetch('https://typescriptlang.org').then(res);
+}
+function res(){
+    console.log("done");
+}
+// ==ASYNC FUNCTION::Convert to async function==
+
+async function f() {
+    const result_1 = await fetch('https://typescriptlang.org');
+    return res(result_1);
+}
+function res(){
+    console.log("done");
+}
\ No newline at end of file