diff --git a/ets2panda/parser/ETSparser.cpp b/ets2panda/parser/ETSparser.cpp
index 5541ac57d5cccf3e8bd73bceeebf9e07e9ab73a1..1a478c2e45c97c6d6d089a03e4856749f9f55a06 100644
--- a/ets2panda/parser/ETSparser.cpp
+++ b/ets2panda/parser/ETSparser.cpp
@@ -2206,8 +2206,9 @@ void ETSParser::CheckDeclare()
 
 void ETSParser::ValidateOverloadDeclarationModifiers(ir::ModifierFlags modifiers)
 {
-    ir::ModifierFlags allowModifiers =
-        ir::ModifierFlags::STATIC | ir::ModifierFlags::ASYNC | ir::ModifierFlags::ACCESS | ir::ModifierFlags::EXPORTED;
+    ir::ModifierFlags allowModifiers = ir::ModifierFlags::STATIC | ir::ModifierFlags::ASYNC |
+                                       ir::ModifierFlags::ACCESS | ir::ModifierFlags::EXPORTED |
+                                       ir::ModifierFlags::DECLARE;
     if ((modifiers & ~allowModifiers) != 0) {
         LogError(diagnostic::OVERLOAD_MODIFIERS);
     }
diff --git a/ets2panda/test/ast/compiler/ets/first_match/declare_class.ets b/ets2panda/test/ast/compiler/ets/first_match/declare_class.ets
new file mode 100644
index 0000000000000000000000000000000000000000..fa5734b298d462a38e3a908e206699a4b7377410
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/first_match/declare_class.ets
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+export declare class A {
+    overload on{ on1, on2 }
+    on1(a: string): void
+    on2(a: number): void
+}