diff --git a/ets2panda/checker/ETSAnalyzer.cpp b/ets2panda/checker/ETSAnalyzer.cpp
index 2f97ff51179a905ed2f74b611bfefc82ce467d20..98fbac00ea7345884a3dd7965a31afe950c0972f 100644
--- a/ets2panda/checker/ETSAnalyzer.cpp
+++ b/ets2panda/checker/ETSAnalyzer.cpp
@@ -2501,6 +2501,10 @@ void ETSAnalyzer::CheckObjectExprProps(const ir::ObjectExpression *expr,
     ETSChecker *checker = GetETSChecker();
     checker::ETSObjectType *objType = objectTypeForProperties;
 
+    if (objType->IsGlobalETSObjectType() && !expr->Properties().empty()) {
+        checker->LogError(diagnostic::ERROR_ARKTS_NO_UNTYPED_OBJ_LITERALS, expr->Start());
+    }
+
     for (ir::Expression *propExpr : expr->Properties()) {
         if (!propExpr->IsProperty()) {
             checker->LogError(diagnostic::OBJECT_LITERAL_NOT_KV, {}, expr->Start());
diff --git a/ets2panda/test/ast/compiler/ets/object_literal_initialization.ets b/ets2panda/test/ast/compiler/ets/object_literal_initialization.ets
new file mode 100644
index 0000000000000000000000000000000000000000..de74d227c06eff032cf724aaf4bd50871a9bbe93
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/object_literal_initialization.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.
+ */
+
+// arkts-no-untyped-obj-literals
+let o: Object = /* @@ label1 */{/* @@ label2 */n: 42, s: "foo"}
+
+/* @@@ label1 Error TypeError: 'Object', 'object', 'any' types cannot be initialized with object literals. */
+/* @@@ label2 Error TypeError: type Object has no property named n */
diff --git a/ets2panda/util/diagnostic/semantic.yaml b/ets2panda/util/diagnostic/semantic.yaml
index 1df48358ebd838e6f18fc9f7af59cbda229a2834..0ea473212f62c7a967e72ec80ab33ed797b6a41e 100644
--- a/ets2panda/util/diagnostic/semantic.yaml
+++ b/ets2panda/util/diagnostic/semantic.yaml
@@ -463,6 +463,10 @@ semantic:
   id: 343
   message: "Indexed signatures are not allowed. Use arrays instead!"
 
+- name: ERROR_ARKTS_NO_UNTYPED_OBJ_LITERALS
+  id: 115343
+  message: "'Object', 'object', 'any' types cannot be initialized with object literals."
+
 - name: ERROR_ARKTS_SPREAD_ONLY_WITH_REST
   id: 44192
   message: "The function or method being called needs a rest parameter to accept arguments passed via the spread operator."
@@ -1605,7 +1609,6 @@ semantic:
   id: 347
   message: "Wrong operand type for unary expression"
 
-
 graveyard:
 - 8
 - 29