from django_hosts import patterns, host
from django.conf import settings

host_patterns = patterns(
    '',
    host(r'www', settings.ROOT_URLCONF, name='www'),
    host(r'api', 'icekit.api.urls', name='api'),
)

from django_hosts import patterns, host


host_patterns = patterns(
    '',
    host(r'www', 'icekit.project.urls', name='www'),
    host(r'api', 'icekit.api.urls', name='api'),
)

--- 
+++ 
@@ -1,8 +1,8 @@
 from django_hosts import patterns, host
-
+from django.conf import settings
 
 host_patterns = patterns(
     '',
-    host(r'www', 'icekit.project.urls', name='www'),
+    host(r'www', settings.ROOT_URLCONF, name='www'),
     host(r'api', 'icekit.api.urls', name='api'),
 )
Use project ROOT_URLCONF on default host, not hardcoded urls.
