diff --git a/samba.sh b/samba.sh
index 2198efc..b30eb24 100755
--- a/samba.sh
+++ b/samba.sh
@@ -198,7 +198,7 @@ The 'command' (if provided and valid) will be run instead of samba
 }
 
 [[ "${USERID:-""}" =~ ^[0-9]+$ ]] && usermod -u $USERID -o smbuser
-[[ "${GROUPID:-""}" =~ ^[0-9]+$ ]] && groupmod -g $GROUPID -o users
+[[ "${GROUPID:-""}" =~ ^[0-9]+$ ]] && groupmod -g $GROUPID -o smbuser
 
 while getopts ":hc:i:nprs:St:u:Ww:" opt; do
     case "$opt" in
@@ -238,4 +238,4 @@ elif ps -ef | egrep -v grep | grep -q smbd; then
 else
     [[ ${NMBD:-""} ]] && ionice -c 3 nmbd -D
     exec ionice -c 3 smbd -FS </dev/null
-fi
\ No newline at end of file
+fi