diff --git a/apps/oxlint/fixtures/typescript_eslint/eslintrc.json b/apps/oxlint/fixtures/typescript_eslint/eslintrc.json
index 35ed3856d2a6d..c7773313f7cd0 100644
--- a/apps/oxlint/fixtures/typescript_eslint/eslintrc.json
+++ b/apps/oxlint/fixtures/typescript_eslint/eslintrc.json
@@ -1,6 +1,7 @@
 {
   "rules": {
     "no-loss-of-precision": "off",
-    "@typescript-eslint/no-loss-of-precision": "error"
+    "@typescript-eslint/no-loss-of-precision": "error",
+    "@typescript-eslint/no-namespace": "warn"
   }
 }
diff --git a/crates/oxc_linter/src/rules/typescript/no_namespace.rs b/crates/oxc_linter/src/rules/typescript/no_namespace.rs
index 2a33a5bbc0e19..5bf15bee26ec1 100644
--- a/crates/oxc_linter/src/rules/typescript/no_namespace.rs
+++ b/crates/oxc_linter/src/rules/typescript/no_namespace.rs
@@ -37,7 +37,7 @@ declare_oxc_lint!(
     /// declare namespace foo {}
     /// ```
     NoNamespace,
-    correctness
+    restriction
 );
 
 impl Rule for NoNamespace {