diff --git a/scripts/pre-launch.d/08script_user b/scripts/pre-launch.d/08script_user
index dd82e1a..c390707 100755
--- a/scripts/pre-launch.d/08script_user
+++ b/scripts/pre-launch.d/08script_user
@@ -7,12 +7,12 @@ if [ -n "$OTHER_GID" ]; then
     IFS=',' read -ra OTHER_GID_ARRAY  <<< "$OTHER_GID"
     IFS=',' read -ra OTHER_RUN_GROUP_ARRAY  <<< "$OTHER_RUN_GROUP"
     length=${#OTHER_GID_ARRAY[@]}
-    GROUPS="--groups "
+    groups="--groups "
     for (( i=0; i<$length; i++ )); do
         getent group ${OTHER_RUN_GROUP_ARRAY[i]} &> /dev/null || groupadd --gid ${OTHER_GID_ARRAY[i]} ${OTHER_RUN_GROUP_ARRAY[i]}
-        GROUPS+="${OTHER_GID_ARRAY[i]},"
+        groups+="${OTHER_GID_ARRAY[i]},"
     done
-    otherGIDoption=${GROUPS::-1}
+    otherGIDoption=${groups::-1}
 fi
 
 if [ -n "$UID" ]; then