diff --git a/config/filter.d/apache-auth.conf b/config/filter.d/apache-auth.conf
index e99af22c..82aedea0 100644
--- a/config/filter.d/apache-auth.conf
+++ b/config/filter.d/apache-auth.conf
@@ -19,11 +19,12 @@ before = apache-common.conf
 #          (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
 # Values:  TEXT
 
-# http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/aaa/mod_auth_basic.c (1st 2)
-# http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/aaa/mod_authz_core.c
+# http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/aaa/mod_auth_basic.c (1st 3)
+# http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/aaa/mod_authz_core.c (2nd 3)
 
 failregex = ^%(_apache_error_client)s user .* authentication failure for "\S*": Password Mismatch$
             ^%(_apache_error_client)s user .* not found: \S*\s*$
+            ^%(_apache_error_client)s client used wrong authentication scheme: \S*\s*$
             ^%(_apache_error_client)s authorization failure \(no authenticated user\): \S*\s*$
             ^%(_apache_error_client)s client denied by server configuration: (uri )?\S*\s*$
             ^%(_apache_error_client)s user .* authorization failure for "\S*": \S*\s*$