diff --git a/colourfiles/conf.log b/colourfiles/conf.log
index 5dfa0fc..0b57592 100644
--- a/colourfiles/conf.log
+++ b/colourfiles/conf.log
@@ -52,8 +52,8 @@ regexp=([\w/\.\-]+)(\[\d+?\])
 colours=bold blue, bold red
 count=more
 ======
-# IPv4
-regexp=\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}
+# IPv4 or IPv4:Port
+regexp=\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d{1,5})?
 colours=bold yellow
 count=more
 ======