diff --git a/Dockerfile b/Dockerfile
index ac529d6..52f10e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.4.3
+FROM python:latest
 ENV PYTHONBUFFERED 1
 
 RUN mkdir /code
@@ -23,4 +23,4 @@ RUN npm install -g yuglify
 RUN pip install -r requirements.txt
 
 RUN adduser --disabled-password --gecos '' djworker
-RUN chown djworker /files -R
\ No newline at end of file
+RUN chown djworker /files -R
diff --git a/api/views.py b/api/views.py
index 21ca924..fcd8dd5 100755
--- a/api/views.py
+++ b/api/views.py
@@ -88,7 +88,10 @@ class UserProfileViewSet(viewsets.ModelViewSet):
 
 
 class MixViewSet(viewsets.ModelViewSet):
-    queryset = Mix.objects.all().annotate(play_count=Count('activity_plays'))
+    queryset = Mix.objects.all().extra({
+        'play_count': 'SELECT COUNT(*) FROM spa_activityplay WHERE mix_id = spa_mix.id'
+    })
+
     serializer_class = serializers.MixSerializer
     permission_classes = (IsAuthenticatedOrReadOnly,)
     lookup_field = 'slug'