diff --git a/ets2panda/checker/ets/typeCheckingHelpers.cpp b/ets2panda/checker/ets/typeCheckingHelpers.cpp
index 6496cdb8ce75eb3a25d6fc59349a8ce4840f40fc..80d51c1e97ac4efc9b8b3cdad8ccb68a0b9fa26b 100644
--- a/ets2panda/checker/ets/typeCheckingHelpers.cpp
+++ b/ets2panda/checker/ets/typeCheckingHelpers.cpp
@@ -157,6 +157,10 @@ Type *ETSChecker::RemoveUndefinedType(Type *const type)
         return type;
     }
 
+    if (type->IsETSPartialTypeParameter()) {
+        return type;
+    }
+
     if (type->IsETSUndefinedType()) {
         return GetGlobalTypesHolder()->GlobalETSNeverType();
     }
diff --git a/ets2panda/test/ast/compiler/ets/partialType_check_in_RemoveUndefinedType.ets b/ets2panda/test/ast/compiler/ets/partialType_check_in_RemoveUndefinedType.ets
new file mode 100644
index 0000000000000000000000000000000000000000..2b6557074b07ccbedd8b296b0c99f794a80e98c9
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/partialType_check_in_RemoveUndefinedType.ets
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+function genericFunc<T>(p: Partial<T>): void {
+  if (p !== undefined) {
+  }
+}
+function main() {
+  genericFunc<{a: number, b: string}>({a: 1})
+}
+
+/* @@? 21:3 Error TypeError: Bad operand type, the types of the operands must be numeric, same enumeration, or boolean type. */
+/* @@? 21:15 Error TypeError: need to specify target type for class composite */
+/* @@? 21:38 Error TypeError: need to specify target type for class composite */