From 2bf9acd95e9fc8a24b02fb505363da52d3afcf41 Mon Sep 17 00:00:00 2001
From: WTFKr0 <thomas.kovatchitch@gmail.com>
Date: Wed, 23 Nov 2016 21:31:37 +0100
Subject: [PATCH] Normalize backend even if is user-defined (#865)

Signed-off-by: WTFKr0 <thomas.kovatchitch@gmail.com>
---
 provider/docker.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/provider/docker.go b/provider/docker.go
index ec91044f6..abeb59018 100644
--- a/provider/docker.go
+++ b/provider/docker.go
@@ -402,7 +402,7 @@ func (provider *Docker) getFrontendRule(container dockerData) string {
 
 func (provider *Docker) getBackend(container dockerData) string {
 	if label, err := getLabel(container, "traefik.backend"); err == nil {
-		return label
+		return normalize(label)
 	}
 	return normalize(container.Name)
 }