diff --git a/Dockerfile b/Dockerfile
index 3b5e3e0..497671d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,11 @@
 FROM jlesage/baseimage-gui:ubuntu-18.04-v3
 ARG ripperxVersion='2.8.0'
 
+# cdrom gid = 24
 ENV \
   APP_NAME='ripperx' \
-  HOME='/'
+  HOME='/' \
+  SUP_GROUP_IDS='24'
 
 COPY startapp.sh /startapp.sh
 COPY ripperX.rc /config/.ripperXrc
diff --git a/ripperX.rc b/ripperX.rc
index 6cc57bf..60e91b8 100644
--- a/ripperX.rc
+++ b/ripperX.rc
@@ -49,5 +49,5 @@ General::WavPath = /output/wav
 General::WavRatio = 0.006
 Mp3Player::Command = mpg123 %
 Ripper::Plugin = ripperX_plugin-cdparanoia
-Ripper::Ripper = cdparanoia
+Ripper::Ripper = cdparanoia -d /dev/sr0
 WavPlayer::Command = play %