diff --git a/djangorestframework/renderers.py b/djangorestframework/renderers.py
index aae2cab25..3f951ba1f 100644
--- a/djangorestframework/renderers.py
+++ b/djangorestframework/renderers.py
@@ -326,7 +326,7 @@ class DocumentingTemplateRenderer(BaseRenderer):
             'logout_url': logout_url,
             'FORMAT_PARAM': self._FORMAT_QUERY_PARAM,
             'METHOD_PARAM': getattr(self.view, '_METHOD_PARAM', None),
-            'ADMIN_MEDIA_PREFIX': settings.ADMIN_MEDIA_PREFIX
+            'ADMIN_MEDIA_PREFIX': getattr(settings, 'ADMIN_MEDIA_PREFIX', None),
         })
         
         ret = template.render(context)