diff --git a/config/default.go b/config/default.go
index 5738b0392..fdb3791bd 100644
--- a/config/default.go
+++ b/config/default.go
@@ -51,8 +51,8 @@ var defaultConfig = &Config{
 	Registry: Registry{
 		Backend: "consul",
 		Consul: Consul{
-			Addr:            "localhost:8500",
-			Scheme:          "http",
+			Addr:            "",
+			Scheme:          "",
 			KVPath:          "/fabio/config",
 			NoRouteHTMLPath: "/fabio/noroute.html",
 			TagPrefix:       "urlprefix-",