--- mutter-3.28.3/src/backends/meta-input-settings.c.orig	2018-08-16 10:52:09.588761885 +0200
+++ mutter-3.28.3/src/backends/meta-input-settings.c	2018-08-16 10:52:24.214825217 +0200
@@ -1299,7 +1299,7 @@
     }
   else
     {
-      path = g_strdup_printf ("/org/gnome/desktop/peripherals/stylus/%lx/", serial);
+      path = g_strdup_printf ("/org/gnome/desktop/peripherals/stylus/%llx/", serial);
     }
 
   tool_settings =