diff --git a/awx/main/conf.py b/awx/main/conf.py
index bbdf159ae6..96c589e632 100644
--- a/awx/main/conf.py
+++ b/awx/main/conf.py
@@ -2,9 +2,11 @@
 import json
 import logging
 import os
+import uuid
 
 # Django
 from django.utils.translation import ugettext_lazy as _
+from django.conf import settings
 
 # Tower
 from awx.conf import fields, register
@@ -314,13 +316,20 @@ register(
     category=_('Logging'),
     category_slug='logging',
 )
+
+
+def init_LOG_AGGREGATOR_TOWER_UUID():
+    unique_id = uuid.uuid4()
+    settings.LOG_AGGREGATOR_TOWER_UUID = unique_id
+    return unique_id
+
+
 register(
     'LOG_AGGREGATOR_TOWER_UUID',
     field_class=fields.CharField,
-    allow_blank=True,
     label=_('Cluster-wide Tower unique identifier.'),
     help_text=_('Useful to uniquely identify Tower instances.'),
     category=_('Logging'),
     category_slug='logging',
-    default=None,
+    default=init_LOG_AGGREGATOR_TOWER_UUID,
 )
diff --git a/awx/main/utils/handlers.py b/awx/main/utils/handlers.py
index 874a5e6046..fe2fb87228 100644
--- a/awx/main/utils/handlers.py
+++ b/awx/main/utils/handlers.py
@@ -88,7 +88,7 @@ class BaseHTTPSHandler(logging.Handler):
             self.session.headers.update(headers)
 
     def get_http_host(self):
-        host = self.host
+        host = self.host or ''
         if not host.startswith('http'):
             host = 'http://%s' % self.host
         if self.port != 80 and self.port is not None: