diff --git a/ets2panda/checker/ets/typeCheckingHelpers.cpp b/ets2panda/checker/ets/typeCheckingHelpers.cpp
index dd0a84f46ecb2e89a75531ed8d1a04f43d4345c3..5233e18ba11fac2ee25123936523254102026116 100644
--- a/ets2panda/checker/ets/typeCheckingHelpers.cpp
+++ b/ets2panda/checker/ets/typeCheckingHelpers.cpp
@@ -710,11 +710,8 @@ Type *ETSChecker::GuaranteedTypeForUncheckedPropertyAccess(varbinder::Variable *
         case ir::AstNodeType::METHOD_DEFINITION:
         case ir::AstNodeType::CLASS_DEFINITION:
             return GetTypeOfVariable(prop);
-        case ir::AstNodeType::OVERLOAD_DECLARATION:
-        case ir::AstNodeType::TS_ENUM_DECLARATION:
-            return nullptr;
         default:
-            ES2PANDA_UNREACHABLE();
+            return nullptr;
     }
 }
 
diff --git a/ets2panda/test/runtime/ets/fuzz/class_body_interface.ets b/ets2panda/test/runtime/ets/fuzz/class_body_interface.ets
new file mode 100644
index 0000000000000000000000000000000000000000..2c8c0895e44f6cf0697c129589f10f581a71de28
--- /dev/null
+++ b/ets2panda/test/runtime/ets/fuzz/class_body_interface.ets
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*---
+    tags: [compile-only, negative]
+---*/
+
+class A {
+    interface foo<T> {}
+}
+
+class B {
+    A.foo<int> f1 = new A.foo<int>() {
+        A.foo<int> bar() {}
+    }
+}
diff --git a/ets2panda/test/test-lists/declgenets2ts/ets-runtime/declgen-ets2ts-runtime-ignored.txt b/ets2panda/test/test-lists/declgenets2ts/ets-runtime/declgen-ets2ts-runtime-ignored.txt
index 4444cd873b3219913e341f394f3a026e272d21e9..61fb015d81cbaf7adc057474ceba26b74d3af6ce 100644
--- a/ets2panda/test/test-lists/declgenets2ts/ets-runtime/declgen-ets2ts-runtime-ignored.txt
+++ b/ets2panda/test/test-lists/declgenets2ts/ets-runtime/declgen-ets2ts-runtime-ignored.txt
@@ -30,3 +30,4 @@ typeAlias_2.ets
 Multiline_string.ets
 Multiline_string_escape_char.ets
 async_lambda_return_type_test.ets
+fuzz/class_body_interface.ets
diff --git a/ets2panda/test/test-lists/srcdumper/srcdumper-ets-ignored.txt b/ets2panda/test/test-lists/srcdumper/srcdumper-ets-ignored.txt
index 85df783af7634a9ae8bc2191dc6f5e27f55d96f0..d83411312362773be86681c1023b31a55b3245f6 100644
--- a/ets2panda/test/test-lists/srcdumper/srcdumper-ets-ignored.txt
+++ b/ets2panda/test/test-lists/srcdumper/srcdumper-ets-ignored.txt
@@ -54,6 +54,7 @@ runtime/ets/fuzz/too_many_left_brace.ets
 runtime/ets/fuzz/too_many_left_square_brackets.ets
 runtime/ets/fuzz/too_many_new_expr.ets
 runtime/ets/fuzz/too_many_expression.ets
+runtime/ets/fuzz/class_body_interface.ets
 ast/compiler/ets/DeclareIndexerTest.ets
 ast/parser/ets/import_tests/import_class_with_static_field/import_class_with_static_field.ets