diff --git a/lib/_debugger.js b/lib/_debugger.js
index 864c46466b0..4404c595d16 100644
--- a/lib/_debugger.js
+++ b/lib/_debugger.js
@@ -1120,6 +1120,7 @@ Interface.prototype.backtrace = function() {
     if (err) {
       self.error('Can\'t request backtrace now');
       self.resume();
+      return;
     }
 
     if (bt.totalFrames == 0) {