diff --git a/tests/baselines/reference/classAbstractAccessor.errors.txt b/tests/baselines/reference/classAbstractAccessor.errors.txt
index 178a2445cce..b43cfa9d7f1 100644
--- a/tests/baselines/reference/classAbstractAccessor.errors.txt
+++ b/tests/baselines/reference/classAbstractAccessor.errors.txt
@@ -1,22 +1,17 @@
-tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(2,17): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
-tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(3,17): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
-tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(4,17): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
-tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(5,17): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
+tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(4,17): error TS1318: An abstract accessor cannot have an implementation.
+tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts(6,17): error TS1318: An abstract accessor cannot have an implementation.
 
 
-==== tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts (4 errors) ====
+==== tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts (2 errors) ====
+    
     abstract class A {
        abstract get a();
-                    ~
-!!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
        abstract get aa() { return 1; } // error
                     ~~
-!!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
+!!! error TS1318: An abstract accessor cannot have an implementation.
        abstract set b(x: string);
-                    ~
-!!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
        abstract set bb(x: string) {} // error
                     ~~
-!!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
+!!! error TS1318: An abstract accessor cannot have an implementation.
     }
     
\ No newline at end of file
diff --git a/tests/baselines/reference/classAbstractAccessor.js b/tests/baselines/reference/classAbstractAccessor.js
index d953a4ac0c2..a1edf0cb88d 100644
--- a/tests/baselines/reference/classAbstractAccessor.js
+++ b/tests/baselines/reference/classAbstractAccessor.js
@@ -1,4 +1,5 @@
 //// [classAbstractAccessor.ts]
+
 abstract class A {
    abstract get a();
    abstract get aa() { return 1; } // error
diff --git a/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts
index 64d087f361f..2c59b6f93cc 100644
--- a/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts
+++ b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAccessor.ts
@@ -1,3 +1,5 @@
+// @target: es5
+
 abstract class A {
    abstract get a();
    abstract get aa() { return 1; } // error