diff --git a/app-shell/src/services/executor.js b/app-shell/src/services/executor.js
index 322b94f..33da7ee 100644
--- a/app-shell/src/services/executor.js
+++ b/app-shell/src/services/executor.js
@@ -851,7 +851,7 @@ module.exports = class ExecutorService {
   static async grepTool(searchStrings) {
     const results = {};
     const directories = ['app/backend/', 'app/frontend/'];
-    excludeDirs = ['node_modules']
+    const excludeDirs = ['node_modules']
 
     const excludeDirsOption = excludeDirs.map(dir => `--exclude-dir=${dir}`).join(' ');