diff --git a/lib/proxy.js b/lib/proxy.js
index ed4efbf43..f06d07a93 100644
--- a/lib/proxy.js
+++ b/lib/proxy.js
@@ -61,7 +61,7 @@ var createProxyHandler = function(proxy, proxyConfig) {
     };
   }
   proxy.on('proxyError', function(err, req, resp) {
-    if (err.code === 'ECONNRESET' && resp.socket.destroyed) {
+    if (err.code === 'ECONNRESET' && req.socket.destroyed) {
       log.debug('failed to proxy %s (browser hang up the socket)', req.url);
     } else {
       log.warn('failed to proxy %s (%s)', req.url, err);