diff --git a/lib/torque/provider/windshaft.js b/lib/torque/provider/windshaft.js
index 7093cf4..3b21fdc 100644
--- a/lib/torque/provider/windshaft.js
+++ b/lib/torque/provider/windshaft.js
@@ -460,7 +460,7 @@
         map_instance_time.end();
         if (data) {
           if (data.errors){
-            self.options.errorCallback(data.errors);
+            self.options.errorCallback && self.options.errorCallback(data.errors);
             return;
           }
           var torque_key = Object.keys(data.metadata.torque)[0]