diff --git a/docker/pro/Dockerfile b/docker/pro/Dockerfile
index 8714ec79..6bbb7ad3 100644
--- a/docker/pro/Dockerfile
+++ b/docker/pro/Dockerfile
@@ -16,7 +16,8 @@ libssl-dev \
 libffi-dev \
 software-properties-common \
 apache2-mpm-event \
-libapache2-mod-wsgi
+libapache2-mod-wsgi \
+libapache2-mod-xsendfile
 
 RUN add-apt-repository ppa:mc3man/trusty-media \
 && apt-get update && apt-get install -y \
diff --git a/pillar/config.py.example b/pillar/config.py.example
index 8dff2f37..fa9a38f0 100644
--- a/pillar/config.py.example
+++ b/pillar/config.py.example
@@ -14,6 +14,7 @@ class Development(Config):
     STORAGE_DIR = '{0}/application/static/storage'.format(
         os.path.join(os.path.dirname(__file__)))
     SHARED_DIR = '/storage/shared'
+    USE_X_SENDFILE = False
     PORT = 5000
     HOST = '0.0.0.0'
     DEBUG = True