diff --git a/config/filter.d/pure-ftpd.conf b/config/filter.d/pure-ftpd.conf
index 31557468..1933d6e0 100644
--- a/config/filter.d/pure-ftpd.conf
+++ b/config/filter.d/pure-ftpd.conf
@@ -19,7 +19,7 @@ __errmsg = (?:Authentication failed for user|Erreur d'authentification pour l'ut
 #         (?:::f{4,6}:)?(?P<host>\S+)
 # Values: TEXT
 #
-failregex = pure-ftpd: (.+?@<HOST>) \[WARNING\] %(__errmsg)s \[.+\]$
+failregex = pure-ftpd(?:\[\d+\])?: (.+?@<HOST>) \[WARNING\] %(__errmsg)s \[.+\]$
 
 # Option:  ignoreregex
 # Notes.:  regex to ignore. If this regex matches, the line is ignored.