diff --git a/plugins/ssl/ssl_ b/plugins/ssl/ssl_
index c41e7b6e..a4967efe 100755
--- a/plugins/ssl/ssl_
+++ b/plugins/ssl/ssl_
@@ -29,8 +29,8 @@ Copyright (C) 2013 Patrick Domack <patrickdk@patrickdk.com>
 . $MUNIN_LIBDIR/plugins/plugin.sh
 
 ARGS=${0##*ssl_}
-SITE=${ARGS/:*/}
-PORT=${ARGS##*:}
+SITE=${ARGS/_*/}
+PORT=${ARGS##*_}
 if [ "$PORT" = "$SITE" ]; then
 	PORT=443
 fi