diff --git a/docker/Dockerfile b/docker/Dockerfile
index 80b06dac7..6db6888fa 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,15 +1,16 @@
 FROM       debian:jessie
 MAINTAINER julien@rottenberg.info
 
+RUN       apt-get update && \
+          apt-get install -y locales
 RUN       locale-gen en_GB.UTF-8
 ENV       LANG=en_GB.UTF-8 \
           LC_CTYPE=en_GB.UTF-8
 
 WORKDIR   /opt/newsblur
 
-#
-RUN       apt-get update && \
-          apt-get install -y python-pip python-requests-whl python-dev libxslt1-dev libxml2-dev zlib1g-dev  lib32ncurses5-dev  libjpeg-dev libpq-dev libblas-dev liblapack-dev gfortran
+# install python
+RUN       apt-get install -y python-pip python-requests-whl python-dev libxslt1-dev libxml2-dev zlib1g-dev  lib32ncurses5-dev  libjpeg-dev libpq-dev libblas-dev liblapack-dev gfortran
 COPY      requirements.txt /opt/newsblur/
 RUN       pip install -r requirements.txt && \
           pip install image psycopg2 numpy scipy