diff --git a/Dockerfile b/Dockerfile
index 9699fc9..cf590ab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,20 +1,20 @@
 FROM ubuntu:14.04
 MAINTAINER Matthias Kadenbach <matthias.kadenbach@gmail.com>
 
-RUN echo 'deb http://deb.torproject.org/torproject.org trusty main' | tee /etc/apt/sources.list.d/torproject.list
-RUN gpg --keyserver keys.gnupg.net --recv 886DDD89
-RUN gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | apt-key add -
+RUN echo 'deb http://deb.torproject.org/torproject.org trusty main' | tee /etc/apt/sources.list.d/torproject.list && \
+    gpg --keyserver keys.gnupg.net --recv 886DDD89 && \
+    gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | apt-key add -
 
-RUN echo 'deb http://ppa.launchpad.net/brightbox/ruby-ng/ubuntu trusty main' | tee /etc/apt/sources.list.d/ruby.list
-RUN gpg --keyserver keyserver.ubuntu.com --recv C3173AA6
-RUN gpg --export 80f70e11f0f0d5f10cb20e62f5da5f09c3173aa6 | apt-key add -
+RUN echo 'deb http://ppa.launchpad.net/brightbox/ruby-ng/ubuntu trusty main' | tee /etc/apt/sources.list.d/ruby.list && \
+    gpg --keyserver keyserver.ubuntu.com --recv C3173AA6 && \
+    gpg --export 80f70e11f0f0d5f10cb20e62f5da5f09c3173aa6 | apt-key add -
 
 RUN apt-get update && \
     apt-get install -y tor polipo haproxy ruby2.1 libssl-dev wget curl build-essential zlib1g-dev libyaml-dev libssl-dev && \
     ln -s /lib/x86_64-linux-gnu/libssl.so.1.0.0 /lib/libssl.so.1.0.0
 
-RUN update-rc.d -f tor remove
-RUN update-rc.d -f polipo remove
+RUN update-rc.d -f tor remove && \
+    update-rc.d -f polipo remove
 
 RUN gem install excon -v 0.44.4