diff --git a/Dockerfile b/Dockerfile
index 08131d06..f6e27e8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@
 #
 #     RESOLUTION=`avconv -i input.avi 2>&1 | grep Stream | grep -oP ', \K[0-9]+x[0-9]+'`
 #     avconv -i input.avi -an -f rawvideo -pix_fmt yuv420p - | docker run -i -a STDIN -a STDOUT kvazaar -i - --wpp --threads=8 --input-res=$RESOLUTION --preset=ultrafast -o - > output.265
-#  or 
+#  or
 #     RESOLUTION=`ffmpeg -i input.avi 2>&1 | grep Stream | grep -oP ', \K[0-9]+x[0-9]+'`
 #     ffmpeg -i input.avi -an -f rawvideo -pix_fmt yuv420p - | docker run -i -a STDIN -a STDOUT kvazaar -i - --wpp --threads=8 --input-res=$RESOLUTION --preset=ultrafast -o - > output.265
 #
@@ -19,12 +19,12 @@ FROM ubuntu:15.10
 
 MAINTAINER Marko Viitanen <fador@iki.fi>
 
-    # List of needed packages to be able to build kvazaar with autotools
-    ENV REQUIRED_PACKAGES automake autoconf libtool m4 build-essential git yasm pkgconf
-    
-    # Run all the commands in one RUN so we don't have any extra history
-    # data in the image.
-    RUN apt-get update \
+# List of needed packages to be able to build kvazaar with autotools
+ENV REQUIRED_PACKAGES automake autoconf libtool m4 build-essential git yasm pkgconf
+
+# Run all the commands in one RUN so we don't have any extra history
+# data in the image.
+RUN apt-get update \
     && apt-get install -y $REQUIRED_PACKAGES \
     && apt-get clean \
     && git clone --depth=1 git://github.com/ultravideo/kvazaar.git \
@@ -38,5 +38,6 @@ MAINTAINER Marko Viitanen <fador@iki.fi>
     && apt-get clean autoclean \
     && apt-get autoremove -y \
     && rm -rf /var/lib/{apt,dpkg,cache,log}/
+
 ENTRYPOINT ["kvazaar"]
 CMD ["--help"]