diff --git a/circle.yml b/circle.yml
index 6051378..4c2b6c4 100644
--- a/circle.yml
+++ b/circle.yml
@@ -20,6 +20,6 @@ dependencies:
         - "/home/ubuntu/.go_workspace/src/github.com/nitrous-io"
 test:
     override:
-        - youtube-dl --output ~/.mumbledj/songs/QcIy9NiNbmo.m4a --format m4a http://www.youtube.com/watch?v=QcIy9NiNbmo
+        - youtube-dl --output ~/.mumbledj/songs/QcIy9NiNbmo.m4a --format m4a --prefer-ffmpeg http://www.youtube.com/watch?v=QcIy9NiNbmo
         - mumbledj -server=$MUMBLE_IP -port=$MUMBLE_PORT -username=circleci -password=$MUMBLE_PASSWORD -verbose=true -test=true:
             timeout: 180
\ No newline at end of file
diff --git a/youtube_dl.go b/youtube_dl.go
index 57c6957..83a120c 100644
--- a/youtube_dl.go
+++ b/youtube_dl.go
@@ -39,7 +39,7 @@ func (dl *YouTubeDLSong) Download() error {
 
 	// Checks to see if song is already downloaded
 	if _, err := os.Stat(fmt.Sprintf("%s/.mumbledj/songs/%s", dj.homeDir, dl.Filename())); os.IsNotExist(err) {
-		cmd := exec.Command("youtube-dl", "--output", fmt.Sprintf("%s/.mumbledj/songs/%s", dj.homeDir, dl.Filename()), "--format m4a", dl.url)
+		cmd := exec.Command("youtube-dl", "--output", fmt.Sprintf("%s/.mumbledj/songs/%s", dj.homeDir, dl.Filename()), "--format m4a", "--prefer-ffmpeg", dl.url)
 		err = cmd.Run()
 		if err == nil {
 			if dj.conf.Cache.Enabled {