diff --git a/backend/middlewares/api-utils.js b/backend/middlewares/api-utils.js
index 2bb5bb4e3..a3c6b22f1 100644
--- a/backend/middlewares/api-utils.js
+++ b/backend/middlewares/api-utils.js
@@ -78,7 +78,7 @@ function requestValidation(validationSchema) {
         throw new MonkeyError(
           500,
           validationErrorMessage ??
-            `Invalid request: ${errorMessage} (value ${error.details[0].context.value}))`
+            `Invalid request: ${errorMessage} (value ${error.details[0].context.value})`
         );
       }
     });