diff --git a/config/filter.d/traefik-auth.conf b/config/filter.d/traefik-auth.conf
index 9a9b90a7..8321a138 100644
--- a/config/filter.d/traefik-auth.conf
+++ b/config/filter.d/traefik-auth.conf
@@ -51,6 +51,6 @@
 
 [Definition]
 
-failregex = ^<HOST> \- (?!- )\S+ \[\] \"(GET|POST|HEAD) .+\" 401 .+$
+failregex = ^<HOST> \- (?!- )\S+ \[\] \"(GET|POST|HEAD) [^\"]+\" 401\b
 
 ignoreregex =