diff --git a/homeassistant/components/http.py b/homeassistant/components/http.py
index 25515c61046..b13e786f50d 100644
--- a/homeassistant/components/http.py
+++ b/homeassistant/components/http.py
@@ -328,7 +328,8 @@ class HomeAssistantWSGI(object):
         @asyncio.coroutine
         def serve_file(request):
             """Redirect to location."""
-            return _GZIP_FILE_SENDER.send(request, filepath)
+            yield from _GZIP_FILE_SENDER.send(request, filepath)
+            return
 
         # aiohttp supports regex matching for variables. Using that as temp
         # to work around cache busting MD5.