diff --git a/README.rst b/README.rst
index c8556ab..4cc62bd 100644
--- a/README.rst
+++ b/README.rst
@@ -60,6 +60,8 @@
               name: 'vlan 0'
               description: Deploy VLAN
               dhcp: true
+              # FIXME: after refactoring domain module, it should be
+              # fixed exactly for FQDN, not only 'hostname'
               primary_rack: "${linux:network:hostname}"
 
       subnets:
@@ -168,7 +170,7 @@
       commissioning_scripts:
         00-maas-05-simplify-network-interfaces: /etc/maas/files/commisioning_scripts/00-maas-05-simplify-network-interfaces
       maas_config:
-        domain: mydomain.local
+        # domain: mydomain.local # This function broken
         http_proxy: http://192.168.0.10:3142
         commissioning_distro_series: xenial
         default_distro_series: xenial
diff --git a/_modules/maasng.py b/_modules/maasng.py
index 128457a..65c5a0f 100644
--- a/_modules/maasng.py
+++ b/_modules/maasng.py
@@ -1095,13 +1095,9 @@
         "name": name,
         "dhcp_on": str(dhcp_on),
         "description": description,
-        "primary_rack": primary_rack,
+        "primary_rack": list_racks()[primary_rack]['system_id'],
     }
     vlan = str(vlan)
-    # FIXME: primary_rack definition not work in 2.3.3-6498-ge4db91d.
-    # Use default, auto-select:
-    LOG.warning("Ignoring parameter primary_rack:{}".format(primary_rack))
-    data.pop('primary_rack', '')
     maas = _create_maas_client()
     fabric_id = get_fabricid(fabric)
     try:
@@ -1671,7 +1667,7 @@
         return {"error": "rack:{} not found on MaaS server".format(hostname)}
 
 
-def list_racks():
+def list_racks(sort_by='hostname'):
     """
     Get list of all rack controllers from maas server
 
@@ -1686,7 +1682,7 @@
     json_res = json.loads(
         maas.get(u"/api/2.0/rackcontrollers/").read() or 'null')
     for item in json_res:
-        racks[item["hostname"]] = item
+        racks[item[sort_by]] = item
     return racks
 
 
diff --git a/_states/maasng.py b/_states/maasng.py
index c381a18..7b14f99 100644
--- a/_states/maasng.py
+++ b/_states/maasng.py
@@ -332,8 +332,7 @@
     return ret
 
 
-def vlan_present_in_fabric(name, fabric, vlan, description='',
-                           primary_rack='', dhcp_on=False):
+def vlan_present_in_fabric(name, fabric, vlan, primary_rack, description='', dhcp_on=False):
     """
 
     :param name: Name of vlan
diff --git a/maas/region.sls b/maas/region.sls
index c6fe233..0f82cd8 100644
--- a/maas/region.sls
+++ b/maas/region.sls
@@ -396,14 +396,17 @@
     - cmd: maas_login_admin
 {%- endif %}
 
-maas_domain:
-  module.run:
-  - name: maas.process_domain
-  - require:
-    - cmd: maas_login_admin
-  {%- if grains.get('kitchen-test') %}
-  - onlyif: /bin/false
-  {%- endif %}
+# FIXME
+# This function usless since broken API logic in module.
+# Should be refactored to be able work with regaiond-domain structure.
+#maas_domain:
+#  module.run:
+#  - name: maas.process_domain
+#  - require:
+#    - cmd: maas_login_admin
+#  {%- if grains.get('kitchen-test') %}
+#  - onlyif: /bin/false
+#  {%- endif %}
 
 
 {%- if region.get('sshprefs', False)  %}