diff --git a/config/filter.d/proxmox.conf b/config/filter.d/proxmox.conf
index 9c6419c9..9aa4091a 100644
--- a/config/filter.d/proxmox.conf
+++ b/config/filter.d/proxmox.conf
@@ -12,7 +12,7 @@
 
 [Definition]
 
-failregex = pvedaemon\[.*authentication failure; rhost=<HOST> user=.* msg=.*
+failregex = pvedaemon\[.d*\]: authentication failure; rhost=<HOST> user=.* msg=.*
 
 ignoreregex =