diff --git a/middleware/Shard.js b/middleware/Shard.js
index 3c6d794..50e721a 100644
--- a/middleware/Shard.js
+++ b/middleware/Shard.js
@@ -138,7 +138,7 @@ class Shard extends EventEmitter {
                 if(!message || message._eval !== script) return;
                 child.removeListener('message', listener);
                 this._evals.delete(script);
-                if(!message._error) resolve(message._result); else reject(new Error(message._error));
+                if(!message._error) resolve(message._result); else reject(new Error(message._error.stack));
             };
             child.on('message', listener);