diff --git a/add_user.sh b/add_user.sh
index 1464598..d5bc041 100755
--- a/add_user.sh
+++ b/add_user.sh
@@ -2,7 +2,7 @@
 # Usage: add_user.sh <login>
 set -e
 
-source /root/helpers/.env
+. /root/helpers/.env
 
 LOGIN="$1"
 [ -z "$LOGIN" ] && { echo "Użycie: $0 <login>"; exit 1; }