diff --git a/storm_supervisor_fs/Dockerfile b/storm_supervisor_fs/Dockerfile
index ec1dd37..97e2a0f 100644
--- a/storm_supervisor_fs/Dockerfile
+++ b/storm_supervisor_fs/Dockerfile
@@ -9,10 +9,10 @@ ENV FS_VERSION=4.0.0.3-0xamarin1
 ENV SETUP_TOOLS="make pkg-config git autoconf libtool automake build-essential gettext "
 WORKDIR /deploy
 
-RUN sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF && \
-        echo "deb http://download.mono-project.com/repo/debian wheezy/snapshots/$MONO_VERSION main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list && \
-        sudo apt-get update && \
-        sudo apt-get install -y mono-complete fsharp=$FS_VERSION
+RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF && \
+        echo "deb http://download.mono-project.com/repo/debian wheezy/snapshots/$MONO_VERSION main" | tee /etc/apt/sources.list.d/mono-xamarin.list && \
+        apt-get update && \
+        apt-get install -y mono-complete fsharp=$FS_VERSION
 
 # Configure supervisor startup script
 RUN sed -i -e "s/%STORMAPP%/supervisor/g" /etc/service/storm/run