diff --git a/lib/config.js b/lib/config.js
index 49d60fbf4..b1ecb3869 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -85,9 +85,9 @@ var normalizeConfig = function(config) {
     config.urlRoot = urlRoot;
   }
 
-  if (config.proxies && config.proxies.hasOwnProperty('/') && config.urlRoot === '/') {
-    log.warn('urlRoot set to /__testacualar__/ because of "/" proxy');
-    config.urlRoot = '/__testacualar__/';
+  if (config.proxies && config.proxies.hasOwnProperty(config.urlRoot)) {
+    log.warn('"%s" is proxied, you should probably change urlRoot to avoid conflicts',
+        config.urlRoot);
   }
 
   if (config.singleRun && config.autoWatch) {