diff --git a/demo/org.freedesktop.libfprint.Demo.json b/demo/org.freedesktop.libfprint.Demo.json
index 9fc6dbe8..11d3b036 100644
--- a/demo/org.freedesktop.libfprint.Demo.json
+++ b/demo/org.freedesktop.libfprint.Demo.json
@@ -6,7 +6,7 @@
     "command": "gtk-libfprint-test",
     "finish-args": [
         /* X11 + XShm access */
-        "--share=ipc", "--socket=x11",
+        "--share=ipc", "--socket=fallback-x11",
         /* Wayland access */
         "--socket=wayland",
         /* OpenGL access */