diff --git a/docker-liquidsoap/Dockerfile b/docker-liquidsoap/Dockerfile
index 36427b9..28abda2 100644
--- a/docker-liquidsoap/Dockerfile
+++ b/docker-liquidsoap/Dockerfile
@@ -5,7 +5,7 @@ MAINTAINER Daniel
 USER root
 
 RUN apt-get -q update && \
-    apt-get install -qq -yy python festival sox && \
+    apt-get install -qq -yy python festival sox ffmpeg && \
     apt-get clean
 
 RUN curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl && \