diff --git a/scripts/rtadduser b/scripts/rtadduser
index 2e529ee..94c66df 100644
--- a/scripts/rtadduser
+++ b/scripts/rtadduser
@@ -140,7 +140,7 @@ echo "$low_count-$high_count"
 }
 
 # set and prepare user
-if [ -z "$SUDO_USER" -a  "$LOGNAME" != "root" ]; then
+if [ "$LOGNAME" != "root" ]; then
 echo "Must be run from root or using sudo" && exit 1
 fi