diff --git a/app/api/rocket-chat/user-token/route.ts b/app/api/rocket-chat/user-token/route.ts
index f067d27..486310b 100644
--- a/app/api/rocket-chat/user-token/route.ts
+++ b/app/api/rocket-chat/user-token/route.ts
@@ -174,11 +174,11 @@ export async function GET(request: Request) {
       );
     }
 
-    const contentType = createTokenResponse.headers.get('content-type') || '';
-    if (!contentType.includes('application/json')) {
+    const tokenContentType = createTokenResponse.headers.get('content-type') || '';
+    if (!tokenContentType.includes('application/json')) {
       const errorText = await createTokenResponse.text().catch(() => 'Unknown error');
       logger.error('[ROCKET_CHAT_USER_TOKEN] Expected JSON, got HTML', {
-        contentType,
+        contentType: tokenContentType,
         errorPreview: errorText.substring(0, 200),
       });
       return NextResponse.json(