diff --git a/frontend/src/hooks/useTrafficData.ts b/frontend/src/hooks/useTrafficData.ts
index bbd7b74ef6..00c6e184d9 100644
--- a/frontend/src/hooks/useTrafficData.ts
+++ b/frontend/src/hooks/useTrafficData.ts
@@ -62,7 +62,7 @@ export const toSelectablePeriod = (
         dayCount,
         label:
             label ||
-            date.toLocaleString('en-US', { month: 'long', year: 'numeric' }),
+            "date.toLocaleString('en-US', { month: 'long', year: 'numeric' })",
     };
 };