diff --git a/config/filter.d/nginx-http-auth.conf b/config/filter.d/nginx-http-auth.conf
index 75234581..a689f66a 100644
--- a/config/filter.d/nginx-http-auth.conf
+++ b/config/filter.d/nginx-http-auth.conf
@@ -4,7 +4,7 @@
 [Definition]
 
 
-failregex = ^ \[error\] \d+#\d+: \*\d+ user "\S+":? (password mismatch|was not found in ".*"), client: <HOST>, server: \S*, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"(, referrer: "\S+")?$
+failregex = ^ \[error\] \d+#\d+: \*\d+ user "\S+":? (password mismatch|was not found in ".*"), client: <HOST>, server: \S*, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"(, referrer: "\S+")?\s*$
 
 ignoreregex =