diff --git a/back/api/script.ts b/back/api/script.ts
index 47376d1d..d4a1f7fe 100644
--- a/back/api/script.ts
+++ b/back/api/script.ts
@@ -86,7 +86,7 @@ export default (app: Router) => {
       try {
         const filePath = join(
           config.scriptPath,
-          req.query.path as string,
+          req.query.path as string | undefined || '',
           req.params.file,
         );
         const content = getFileContentByName(filePath);