diff --git a/piwik/Dockerfile b/piwik/Dockerfile
index 88dcb7f..4e78d97 100644
--- a/piwik/Dockerfile
+++ b/piwik/Dockerfile
@@ -1,7 +1,9 @@
 FROM alpine:3.3
 MAINTAINER Wonderfall <wonderfall@mondedie.fr>
 
-ENV VER=2.16.0 GID=991 UID=991
+ARG VERSION=2.16.1
+
+ENV GID=991 UID=991
 
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
  && echo "@commuedge http://nl.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
@@ -26,7 +28,7 @@ RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/re
  && echo 'geoip.custom_directory=/piwik/misc' >> /etc/php/php.ini \
  && rm -f /var/cache/apk/*
 
-RUN wget -qO- http://builds.piwik.org/piwik-$VER.tar.gz | tar xz
+RUN wget -qO- http://builds.piwik.org/piwik-$VERSION.tar.gz | tar xz
 
 RUN wget -q http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz -P /piwik/misc \
  && gzip -d /piwik/misc/GeoLiteCity.dat.gz \
@@ -43,6 +45,6 @@ VOLUME /config
 EXPOSE 80
 
 LABEL description "Open web analytics platform" \
-      piwik "Piwik v$VER"
+      piwik "Piwik v$VERSION"
       
 CMD ["tini","--","run.sh"]