diff --git a/ets2panda/checker/ets/object.cpp b/ets2panda/checker/ets/object.cpp
index 82f486c79ec36b88168d8a7e19e117f1e46cefbd..3d476850c4045291f9080c3e85d135d27d1f66dd 100644
--- a/ets2panda/checker/ets/object.cpp
+++ b/ets2panda/checker/ets/object.cpp
@@ -392,7 +392,7 @@ bool ETSChecker::CheckTypeParameterConstraint(ir::TSTypeParameter *param, Type2T
 
 void ETSChecker::SetUpTypeParameterConstraint(ir::TSTypeParameter *const param)
 {
-    ETSTypeParameter *const paramType = param->Name()->Variable()->TsType()->AsETSTypeParameter();
+    ETSTypeParameter *const paramType = SetUpParameterType(param);
     auto const traverseReferenced =
         [this, scope = param->Parent()->AsTSTypeParameterDeclaration()->Scope()](ir::TypeNode *typeNode) {
             if (!typeNode->IsETSTypeReference()) {
diff --git a/ets2panda/test/ast/compiler/ets/generic_lambda_constraint.ets b/ets2panda/test/ast/compiler/ets/generic_lambda_constraint.ets
new file mode 100644
index 0000000000000000000000000000000000000000..05712b33247955285eb5c864f3ec5a9b6332301d
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/generic_lambda_constraint.ets
@@ -0,0 +1,18 @@
+/*
+ * 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.
+ */
+
+let foo = <T extends U, U>(t: T, s: U) => {};
+
+/* @@? 16:11 Error TypeError: Type '<T, U>(t: T, s: U) => void' cannot be assigned to type '<T, U>(t: T, s: U) => void' */
diff --git a/ets2panda/test/ast/compiler/ets/generic_lambda_constraint2.ets b/ets2panda/test/ast/compiler/ets/generic_lambda_constraint2.ets
new file mode 100644
index 0000000000000000000000000000000000000000..68af871b315efd6c19103d74e864beb64732f4e8
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/generic_lambda_constraint2.ets
@@ -0,0 +1,18 @@
+/*
+ * 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.
+ */
+
+let foo = <T extends U, U extends Object>(t: T, s: U) => {};
+
+/* @@? 16:11 Error TypeError: Type '<T, U>(t: T, s: U) => void' cannot be assigned to type '<T, U>(t: T, s: U) => void' */