diff --git a/scripts/_common.sh b/scripts/_common.sh
index 419259a..85262dd 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -17,7 +17,7 @@ duplicity \
 at \
 php-curl php-gd php-imap php-xml php-opcache php-soap php-xmlrpc php-common php-dev php-zip php-ssh2 php-mbstring php-ldap"
 # ntp usb-modeswitch python-serial
-extra_pkg_dependencies="libav-tools \
+extra_pkg_dependencies="libav-tools|libavcodec-dev \
 libsox-fmt-mp3 sox libttspico-utils \
 espeak \
 mbrola \