diff --git a/compiler/testData/diagnostics/tests/inner/deepInnerClass.kt b/compiler/testData/diagnostics/tests/inner/deepInnerClass.kt
index 2ce0546c66b..3ae2e2c1258 100644
--- a/compiler/testData/diagnostics/tests/inner/deepInnerClass.kt
+++ b/compiler/testData/diagnostics/tests/inner/deepInnerClass.kt
@@ -4,8 +4,8 @@ class A<T> {
     class B {
         fun test() {
             class C<W>() : P<W, <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>T<!>> {
-                class object : P<<!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>W<!>, <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>T<!>> {
-                }
+                <!CLASS_OBJECT_NOT_ALLOWED!>class object : P<<!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>W<!>, <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>T<!>> {
+                }<!>
 
                 inner class D : P<W, <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>T<!>>
             }