diff --git a/rpm_spec/core-vm.spec b/rpm_spec/core-vm.spec
index c94e711..b9d69a9 100644
--- a/rpm_spec/core-vm.spec
+++ b/rpm_spec/core-vm.spec
@@ -113,6 +113,10 @@ if [ -e /etc/init/serial.conf ]; then
 	cp /usr/share/qubes/serial.conf /etc/init/serial.conf
 fi
 
+%triggerin -- pulseaudio-module-x11
+sed -i '/^\(Not\|Only\)ShowIn/d' /etc/xdg/autostart/pulseaudio.desktop
+echo 'NotShowIn=QUBES;' >> /etc/xdg/autostart/pulseaudio.desktop
+
 %post
 
 # disable some Upstart services