diff --git a/config/filter.d/dovecot.conf b/config/filter.d/dovecot.conf
index 42c5ef33..18451e42 100644
--- a/config/filter.d/dovecot.conf
+++ b/config/filter.d/dovecot.conf
@@ -14,8 +14,8 @@
 #          (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
 # Values:  TEXT
 #
-failregex = .*(?:pop3-login|imap-login):.*(?:Authentication failure|Aborted login \(auth failed|Aborted login \(tried to use disabled|Disconnected \(auth failed).*rip=(?P<host>\S*),.*
-            pam.*dovecot.*(?:authentication failure).*rhost=<HOST>(?:\s+user=.*)?\s*$
+failregex = .*(?:pop3-login|imap-login):.*(?:Authentication failure|Aborted login \(auth failed|Aborted login \(tried to use disabled|Disconnected \(auth failed).*\s+rip=(?P<host>\S*),.*
+            pam.*dovecot.*(?:authentication failure).*\s+rhost=<HOST>(?:\s+user=.*)?\s*$
 
 # Option:  ignoreregex
 # Notes.:  regex to ignore. If this regex matches, the line is ignored.