diff --git a/docker/Dockerfile.ubuntu b/docker/Dockerfile.ubuntu
index 48e2f846..798e07a3 100644
--- a/docker/Dockerfile.ubuntu
+++ b/docker/Dockerfile.ubuntu
@@ -53,9 +53,11 @@ RUN mkdir -p /config && \
     ffmpeg -version && \
     # Install phantomjs if using x86_64, ensure it is properly installed
     if [[ $(uname -m) == "x86_64" ]]; then \
-      curl -L https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 | tar xj && \
+      curl -L -o phantomjs.tar.bz2 https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 && \
+      tar -xvf phantomjs.tar.bz2 && \
       mv phantomjs-2.1.1-linux-x86_64/bin/phantomjs /usr/bin/phantomjs && \
       rm -rf phantomjs-2.1.1-linux-x86_64/ && \
+      rm phantomjs.tar.bz2 && \
       echo "Phantom JS version:" && \
       phantomjs --version ; \
     fi && \