diff --git a/apps/oxlint/src-js/js_config.ts b/apps/oxlint/src-js/js_config.ts
index 96170cba68db1..6408d0dca0709 100644
--- a/apps/oxlint/src-js/js_config.ts
+++ b/apps/oxlint/src-js/js_config.ts
@@ -32,7 +32,7 @@ export async function loadJsConfigs(paths: string[]): Promise<string> {
           throw new Error(`Configuration file has no default export.`);
         }
 
-        if (typeof config !== "object") {
+        if (typeof config !== "object" || config === null || Array.isArray(config)) {
           throw new Error(`Configuration file must have a default export that is an object.`);
         }
 
diff --git a/apps/oxlint/test/fixtures/js_config_invalid_export/output.snap.md b/apps/oxlint/test/fixtures/js_config_invalid_export/output.snap.md
index 88eba1eaf8b5b..47d93905d6d98 100644
--- a/apps/oxlint/test/fixtures/js_config_invalid_export/output.snap.md
+++ b/apps/oxlint/test/fixtures/js_config_invalid_export/output.snap.md
@@ -5,7 +5,7 @@
 ```
 Failed to parse oxlint configuration file.
 
-  x Failed to load config: <fixture>/oxlint.config.ts
+  x Failed to load config: <fixture>/files/oxlint.config.ts
   | 
   | Error: Configuration file must have a default export that is an object.
 ```
diff --git a/apps/oxlint/test/fixtures/js_config_invalid_export/oxlint.config.ts b/apps/oxlint/test/fixtures/js_config_invalid_export/oxlint.config.ts
deleted file mode 100644
index 38f5d5f312083..0000000000000
--- a/apps/oxlint/test/fixtures/js_config_invalid_export/oxlint.config.ts
+++ /dev/null
@@ -1 +0,0 @@
-export default "nope";