diff --git a/Makefile b/Makefile
index 0779c12..75086c1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-PYTHON_VER?=3.9
-NETBOX_VER?=v2.10.3
+PYTHON_VER?=3.7
+NETBOX_VER?=v2.10.6
 
 NAME=netbox-qrcode
 
@@ -27,7 +27,7 @@ stop:
 
 destroy:
 	docker-compose -f ${COMPOSE_FILE} -p ${BUILD_NAME} down
-	docker volume rm -f ${BUILD_NAME}_pgdata_netbox_tickets
+	docker volume rm -f ${BUILD_NAME}_pgdata_netbox_qrcode
 
 nbshell:
 	docker-compose -f ${COMPOSE_FILE} -p ${BUILD_NAME} run netbox python manage.py nbshell
diff --git a/README.md b/README.md
index 90030c3..5d4e1e2 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Restart NetBox and add `netbox-qrcode` to your local_requirements.txt
 The following options are available:
 
 * `with_text`: Boolean (default True). Text label will be added to QR code image if enabled.
-* `text_fields`: List of String (default ['name']). Text fields of object that will be added as text label to QR image.
+* `text_fields`: List of String (default ['name']). Text fields of an object that will be added as text label to QR image. It's possible to use custom field values.
 * `font`: String (default TahomaBold) Font name for text label ( Some font include in package, see fonts dir).
 * `custom_text`: String or None (default None) additional text label to QR code image (will be added after text_fields).
 * `qr_version`: Integer (default 1) parameter is an integer from 1 to 40 that controls the size of
@@ -67,7 +67,13 @@ PLUGINS_CONFIG = {
         # per object options
         'cable': None,  # disable QR code for Cable object
         'rack': {
-            'text_fields': ['site', 'name', 'facility_id', 'tenant']
+            'text_fields': [
+                'site',
+                'name',
+                'facility_id',
+                'tenant',
+                'cf.cf_name'
+            ]
         },
         'device': {
             'qr_box_size': 6,
diff --git a/netbox_qrcode/template_content.py b/netbox_qrcode/template_content.py
index 463de15..3c634f8 100644
--- a/netbox_qrcode/template_content.py
+++ b/netbox_qrcode/template_content.py
@@ -28,8 +28,21 @@ def x_page(self):
         if config.get('with_text'):
             text = []
             for text_field in config.get('text_fields', []):
+                cfn = None
+                if '.' in text_field:
+                    try:
+                        text_field, cfn = text_field.split('.')
+                    except ValueError:
+                        cfn = None
                 if getattr(obj, text_field, None):
-                    text.append('{}'.format(getattr(obj, text_field)))
+                    if cfn:
+                        try:
+                            if getattr(obj, text_field).get(cfn):
+                                text.append('{}'.format(getattr(obj, text_field).get(cfn)))
+                        except AttributeError:
+                            pass
+                    else:
+                        text.append('{}'.format(getattr(obj, text_field)))
             custom_text = config.get('custom_text')
             if custom_text:
                 text.append(custom_text)
diff --git a/netbox_qrcode/version.py b/netbox_qrcode/version.py
index 81f0fde..b1a19e3 100644
--- a/netbox_qrcode/version.py
+++ b/netbox_qrcode/version.py
@@ -1 +1 @@
-__version__ = "0.0.4"
+__version__ = "0.0.5"