diff --git a/circle.yml b/circle.yml
index 5c4c59d..468b65c 100644
--- a/circle.yml
+++ b/circle.yml
@@ -7,7 +7,8 @@ machine:
 
 dependencies:
     pre:
-        - sudo apt-get -qqy remove ffmpeg
+        - sudo apt-get -y remove ffmpeg
+        - sudo apt-get -y install libavconf
         - bash install-dependencies.sh
         
     override:
diff --git a/install-dependencies.sh b/install-dependencies.sh
index a03870b..a02e6a5 100644
--- a/install-dependencies.sh
+++ b/install-dependencies.sh
@@ -2,22 +2,22 @@
 set -e
 
 # check to see if ffmpeg is installed
-if [ ! -f "$HOME/bin/ffmpeg" ]; then
-    echo 'Installing ffmpeg'
-    wget http://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz -O /tmp/ffmpeg.tar.xz
-    tar -xvf /tmp/ffmpeg.tar.xz --strip 1 --no-anchored ffmpeg ffprobe
-    chmod a+rx ffmpeg ffprobe
-    mv ff* $HOME/bin
-else
-  echo 'Using cached version of ffmpeg.';
-fi
+#if [ ! -f "$HOME/bin/ffmpeg" ]; then
+#    echo 'Installing ffmpeg'
+#    wget http://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz -O /tmp/ffmpeg.tar.xz
+#    tar -xvf /tmp/ffmpeg.tar.xz --strip 1 --no-anchored ffmpeg ffprobe
+#    chmod a+rx ffmpeg ffprobe
+#    mv ff* ~/bin
+#else
+#  echo 'Using cached version of ffmpeg.';
+#fi
 
 # check to see if opus is installed
 if [ ! -d "$HOME/opus/lib" ]; then
     echo 'Installing opus'
     wget http://downloads.xiph.org/releases/opus/opus-1.0.3.tar.gz
     tar xzvf opus-1.0.3.tar.gz
-    cd opus-1.0.3 && ./configure --prefix=$HOME/opus && make && make install
+    cd opus-1.0.3 && ./configure --prefix=~/opus && make && make install
 else
   echo 'Using cached version of opus.';
 fi