diff --git a/Dockerfile b/Dockerfile
index 2514e33..a186801 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ MAINTAINER "Julien Cabillot <dockerimages@cabillot.eu>"
 ENV DEBIAN_FRONTEND="noninteractive"
 
 RUN apt-get -qq update && \
-    apt-get -qqy install wget python xz-utils xvfb && \
+    apt-get -qqy install wget python xz-utils xvfb libfontconfig && \
     wget -nv -O- https://download.calibre-ebook.com/linux-installer.py | python -c "import sys; main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); main()" && \
     apt-get -qqy remove --purge wget xz-utils && \
     apt-get -qqy autoremove --purge && \