diff --git a/ets2panda/parser/TypedParser.cpp b/ets2panda/parser/TypedParser.cpp
index 268455be78070ccbc237e3940dc9c15e6b2cbaec..02dd76cabd71dcb5ba8e2fb610a58f19923b1729 100644
--- a/ets2panda/parser/TypedParser.cpp
+++ b/ets2panda/parser/TypedParser.cpp
@@ -130,7 +130,11 @@ bool TypedParser::IsNamespaceDecl()
     }
     auto savedPos = Lexer()->Save();
     Lexer()->NextToken();
-    bool isNamespaceDecl = Lexer()->GetToken().Type() == lexer::TokenType::LITERAL_IDENT;
+    // namespace is a soft keyword, so it can be used as an identifier outside declarations
+    // If followed by an identifier (literal or keyword), it's treated as a declaration
+    // Using keywords as identifiers is invalid, but that error is handled later during parsing
+    bool isNamespaceDecl =
+        Lexer()->GetToken().Type() == lexer::TokenType::LITERAL_IDENT || Lexer()->GetToken().IsKeyword();
     Lexer()->Rewind(savedPos);
     return isNamespaceDecl;
 }
diff --git a/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_super.ets b/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_super.ets
new file mode 100644
index 0000000000000000000000000000000000000000..fb422ff9ccc56d5101b2a29dec30962ce8c2bde5
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_super.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.
+ */
+
+declare namespace super {
+
+}
+
+/* @@? 16:19 Error SyntaxError: Identifier expected, got 'super'. */
diff --git a/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_this.ets b/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_this.ets
new file mode 100644
index 0000000000000000000000000000000000000000..cd9e3c4376721c2f0f3521ae6c98140cdea999b8
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/keywords/issue26215_restricted_this.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.
+ */
+
+declare namespace this {
+
+}
+
+/* @@? 16:19 Error SyntaxError: Identifier expected, got 'this'. */