diff --git a/src/class/Util.ts b/src/class/Util.ts
index 851337d..ae9547e 100644
--- a/src/class/Util.ts
+++ b/src/class/Util.ts
@@ -47,7 +47,7 @@ export default class Util {
         cmd.stdout.removeListener('data', writeFunction);
         cmd.stderr.removeListener('data', writeFunction);
         cmd.removeListener('error', writeFunction);
-        if (error) rej(output);
+        if (error) rej(new Error(output));
         res(output);
       });
     });