diff --git a/realmfs-builder/realmfs-files/launch b/realmfs-builder/realmfs-files/launch
index adf9890..23833fa 100644
--- a/realmfs-builder/realmfs-files/launch
+++ b/realmfs-builder/realmfs-files/launch
@@ -1,6 +1,7 @@
 #!/bin/bash
 export REALM_NAME
 export GDK_BACKEND
+export WAYLAND_DISPLAY=wayland-0
 export DISPLAY=:0
 export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
 export XDG_RUNTIME_DIR=/run/user/1000