diff --git a/tests/baselines/reference/scopeCheckExtendedClassInsidePublicMethod2.errors.txt b/tests/baselines/reference/scopeCheckExtendedClassInsidePublicMethod2.errors.txt
index c59171bdf0e..d8fbf512bcd 100644
--- a/tests/baselines/reference/scopeCheckExtendedClassInsidePublicMethod2.errors.txt
+++ b/tests/baselines/reference/scopeCheckExtendedClassInsidePublicMethod2.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/scopeCheckExtendedClassInsidePublicMethod2.ts(4,7): error TS2304: Cannot find name 'v'.
+tests/cases/compiler/scopeCheckExtendedClassInsidePublicMethod2.ts(4,7): error TS2663: Cannot find name 'v'. Did you mean to prefix the object member with 'this', 'this.v'?
 tests/cases/compiler/scopeCheckExtendedClassInsidePublicMethod2.ts(6,7): error TS2304: Cannot find name 's'.
 
 
@@ -8,7 +8,7 @@ tests/cases/compiler/scopeCheckExtendedClassInsidePublicMethod2.ts(6,7): error T
        public c() {
           v = 1;
           ~
-!!! error TS2304: Cannot find name 'v'.
+!!! error TS2663: Cannot find name 'v'. Did you mean to prefix the object member with 'this', 'this.v'?
           this.p = 1;
           s = 1;
           ~