diff --git a/conf/fail2ban/filter.d/miab-munin.conf b/conf/fail2ban/filter.d/miab-munin.conf
index b254cc62..da257b3e 100644
--- a/conf/fail2ban/filter.d/miab-munin.conf
+++ b/conf/fail2ban/filter.d/miab-munin.conf
@@ -3,5 +3,5 @@
 before = common.conf
 
 [Definition]
-failregex=<HOST> - .*GET /admin/munin/.* HTTP/1.1\" 401.*
+failregex=<HOST> - .*GET /admin/munin/.* HTTP/\d+\.\d+\" 401.*
 ignoreregex =