diff --git a/lib/http-proxy/passes/ws-incoming.js b/lib/http-proxy/passes/ws-incoming.js
index 8c05e32..1bc7869 100644
--- a/lib/http-proxy/passes/ws-incoming.js
+++ b/lib/http-proxy/passes/ws-incoming.js
@@ -108,7 +108,8 @@ var passes = exports;
         return i + ": " + proxyRes.headers[i];
       }).join('\r\n') + '\r\n\r\n');
       proxySocket.pipe(socket).pipe(proxySocket);
-      server.emit('proxySocket', proxySocket);
+      // Make sure server exists before we try to emit
+      server && server.emit('proxySocket', proxySocket);
     });
 
     return proxyReq.end(); // XXX: CHECK IF THIS IS THIS CORRECT