diff --git a/lib/Local.js b/lib/Local.js
index 9c0ed97..32391e3 100644
--- a/lib/Local.js
+++ b/lib/Local.js
@@ -54,12 +54,14 @@ function Local(){
         }
 
         var data = {};
-        if(stdout)
+        if(!!stdout)
           data = JSON.parse(stdout);
         else if(stderr)
           data = JSON.parse(stderr);
-        else
+        else {
           callback(new LocalError('No output received'));
+          return;
+        }
 
         if(data['state'] != 'connected'){
           callback(new LocalError(data['message']['message']));