diff --git a/Dockerfile b/Dockerfile
index 4cd786b..ef33748 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 FROM ubuntu:15.10
 MAINTAINER Marcel Otte <qwc+docker@mmo.to>
 RUN apt-get update && apt-get install -y openjdk-8-jre wget unzip
-#RUN apt-get install -y wget unzip
-RUN mkdir /terasology
-RUN wget -P /terasology http://jenkins.terasology.org/job/DistroOmegaRelease/lastSuccessfulBuild/artifact/distros/omega/build/distributions/TerasologyOmega.zip
-RUN unzip /terasology/TerasologyOmega.zip -d /terasology
+RUN mkdir /terasology \
+    && wget -P /terasology http://jenkins.terasology.org/job/DistroOmegaRelease/lastSuccessfulBuild/artifact/distros/omega/build/distributions/TerasologyOmega.zip \
+    && unzip /terasology/TerasologyOmega.zip -d /terasology \
+    && rm -f /terasology/TerasologyOmega.zip
 ENTRYPOINT java -jar /terasology/libs/Terasology.jar -headless -homedir=/terasology/server
 VOLUME /terasology/server
 EXPOSE 25777