diff --git a/start-socat.sh b/start-socat.sh
index f6b0051..80e93e6 100644
--- a/start-socat.sh
+++ b/start-socat.sh
@@ -8,6 +8,8 @@ This is free software, and you are welcome to redistribute it under certain cond
 '
 
 . $DIR/config.sh
+if [ "$suuser" = "" ]; then suuser="$USER"; fi
+
 echo "Listening at Port $PORT"
 if [ "$1" = "-d" -o "$1" = "--daemon" ]; then
   setsid socat TCP-LISTEN:$PORT,reuseaddr,su="$suuser",fork SYSTEM:"./main.sh" > /dev/null 2>&1 &