diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index c99fc446f5d..683874e2d10 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -47397,7 +47397,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                         const errorMessage = overriddenInstanceProperty ?
                             Diagnostics._0_is_defined_as_an_accessor_in_class_1_but_is_overridden_here_in_2_as_an_instance_property :
                             Diagnostics._0_is_defined_as_a_property_in_class_1_but_is_overridden_here_in_2_as_an_accessor;
-                        error(getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage, symbolToString(base), typeToString(getDeclaredTypeOfSymbol(base.parent!)), typeToString(type));
+                        error(getNameOfDeclaration(derived.valueDeclaration) || derived.valueDeclaration, errorMessage, symbolToString(base), typeToString(baseType), typeToString(type));
                     }
                     else if (useDefineForClassFields) {
                         const uninitialized = derived.declarations?.find(d => d.kind === SyntaxKind.PropertyDeclaration && !(d as PropertyDeclaration).initializer);
diff --git a/tests/baselines/reference/accessorsOverrideProperty10.errors.txt b/tests/baselines/reference/accessorsOverrideProperty10.errors.txt
index 9ba82aa7b4f..e8d21e95ebf 100644
--- a/tests/baselines/reference/accessorsOverrideProperty10.errors.txt
+++ b/tests/baselines/reference/accessorsOverrideProperty10.errors.txt
@@ -1,4 +1,4 @@
-accessorsOverrideProperty10.ts(6,7): error TS2611: 'x' is defined as a property in class 'A', but is overridden here in 'C' as an accessor.
+accessorsOverrideProperty10.ts(6,7): error TS2611: 'x' is defined as a property in class 'B', but is overridden here in 'C' as an accessor.
 
 
 ==== accessorsOverrideProperty10.ts (1 errors) ====
@@ -9,7 +9,7 @@ accessorsOverrideProperty10.ts(6,7): error TS2611: 'x' is defined as a property
     class C extends B {
       get x() {
           ~
-!!! error TS2611: 'x' is defined as a property in class 'A', but is overridden here in 'C' as an accessor.
+!!! error TS2611: 'x' is defined as a property in class 'B', but is overridden here in 'C' as an accessor.
         return 2;
       }
     }
diff --git a/tests/baselines/reference/propertyOverridesAccessors6.errors.txt b/tests/baselines/reference/propertyOverridesAccessors6.errors.txt
index cda1185c865..124e367bf5a 100644
--- a/tests/baselines/reference/propertyOverridesAccessors6.errors.txt
+++ b/tests/baselines/reference/propertyOverridesAccessors6.errors.txt
@@ -1,4 +1,4 @@
-propertyOverridesAccessors6.ts(8,3): error TS2610: 'x' is defined as an accessor in class 'A', but is overridden here in 'C' as an instance property.
+propertyOverridesAccessors6.ts(8,3): error TS2610: 'x' is defined as an accessor in class 'B', but is overridden here in 'C' as an instance property.
 
 
 ==== propertyOverridesAccessors6.ts (1 errors) ====
@@ -11,6 +11,6 @@ propertyOverridesAccessors6.ts(8,3): error TS2610: 'x' is defined as an accessor
     class C extends B {
       x = 1;
       ~
-!!! error TS2610: 'x' is defined as an accessor in class 'A', but is overridden here in 'C' as an instance property.
+!!! error TS2610: 'x' is defined as an accessor in class 'B', but is overridden here in 'C' as an instance property.
     }
     
\ No newline at end of file