diff --git a/ets2panda/parser/ETSparser.cpp b/ets2panda/parser/ETSparser.cpp
index eb1fabd6b92dc1057c1502344c0b782f65628657..affb924ae05d56068ddfd1fa84e85e26bb88c08f 100644
--- a/ets2panda/parser/ETSparser.cpp
+++ b/ets2panda/parser/ETSparser.cpp
@@ -2171,7 +2171,7 @@ ir::TSTypeParameter *ETSParser::ParseTypeParameter([[maybe_unused]] TypeAnnotati
         }
     }
     auto saveLoc = Lexer()->GetToken().Start();
-    auto *paramIdent = ExpectIdentifier(false, false, *options);
+    auto *paramIdent = ExpectIdentifier(false, false, *options | TypeAnnotationParsingOptions::REPORT_ERROR);
 
     ir::TypeNode *constraint = nullptr;
     if (Lexer()->GetToken().Type() == lexer::TokenType::KEYW_EXTENDS) {
diff --git a/ets2panda/test/ast/parser/ets/lambda_type_parameter_neg.ets b/ets2panda/test/ast/parser/ets/lambda_type_parameter_neg.ets
new file mode 100644
index 0000000000000000000000000000000000000000..51573652ab5428c15d859d5d0c152bc09d82880d
--- /dev/null
+++ b/ets2panda/test/ast/parser/ets/lambda_type_parameter_neg.ets
@@ -0,0 +1,21 @@
+/*
+ * 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 a = <Int,() => Int>(reader);
+
+/* @@? 16:14 Error SyntaxError: Identifier expected, got '('. */
+/* @@? 16:15 Error SyntaxError: Variable must be initialized or it's type must be declared. */
+/* @@? 16:15 Error SyntaxError: Unexpected token ')'. */
+/* @@? 16:17 Error SyntaxError: Unexpected token '=>'. */