diff --git a/functions-common b/functions-common
index 33245fb..48c0c75 100644
--- a/functions-common
+++ b/functions-common
@@ -675,9 +675,8 @@
 }
 
 # Gets or creates group
-# Usage: get_or_create_group <groupname> [<domain> <description>]
+# Usage: get_or_create_group <groupname> <domain> [<description>]
 function get_or_create_group {
-    local domain=${2:+--domain ${2}}
     local desc="${3:-}"
     local os_url="$KEYSTONE_SERVICE_URI_V3"
     # Gets group id
@@ -685,34 +684,30 @@
         # Creates new group with --or-show
         openstack --os-token=$OS_TOKEN --os-url=$os_url \
             --os-identity-api-version=3 group create $1 \
-            $domain --description "$desc" --or-show \
+            --domain $2 --description "$desc" --or-show \
             -f value -c id
     )
     echo $group_id
 }
 
 # Gets or creates user
-# Usage: get_or_create_user <username> <password> [<email> [<domain>]]
+# Usage: get_or_create_user <username> <password> <domain> [<email>]
 function get_or_create_user {
-    if [[ ! -z "$3" ]]; then
-        local email="--email=$3"
+    if [[ ! -z "$4" ]]; then
+        local email="--email=$4"
     else
         local email=""
     fi
-    local os_cmd="openstack"
-    local domain=""
-    if [[ ! -z "$4" ]]; then
-        domain="--domain=$4"
-        os_cmd="$os_cmd --os-url=$KEYSTONE_SERVICE_URI_V3 --os-identity-api-version=3"
-    fi
     # Gets user id
     local user_id=$(
         # Creates new user with --or-show
-        $os_cmd user create \
+        openstack user create \
             $1 \
             --password "$2" \
+            --os-url=$KEYSTONE_SERVICE_URI_V3 \
+            --os-identity-api-version=3 \
+            --domain=$3 \
             $email \
-            $domain \
             --or-show \
             -f value -c id
     )