diff --git a/src/wayland/meta-wayland-tablet-pad-ring.c b/src/wayland/meta-wayland-tablet-pad-ring.c
index 94230f0b8..9edb38216 100644
--- a/src/wayland/meta-wayland-tablet-pad-ring.c
+++ b/src/wayland/meta-wayland-tablet-pad-ring.c
@@ -33,6 +33,7 @@
 #include "meta-surface-actor-wayland.h"
 #include "meta-wayland-private.h"
 #include "meta-wayland-tablet-pad.h"
+#include "meta-wayland-tablet-pad-group.h"
 #include "meta-wayland-tablet-pad-ring.h"
 
 static void
@@ -209,3 +210,14 @@ meta_wayland_tablet_pad_ring_sync_focus (MetaWaylandTabletPadRing *ring)
                                  wl_resource_get_client (ring->pad->focus_surface->resource));
     }
 }
+
+void
+meta_wayland_tablet_pad_ring_set_group (MetaWaylandTabletPadRing  *ring,
+					MetaWaylandTabletPadGroup *group)
+{
+  /* Group is static, can only be set once */
+  g_assert (ring->group == NULL);
+
+  ring->group = group;
+  group->rings = g_list_append (group->rings, ring);
+}
diff --git a/src/wayland/meta-wayland-tablet-pad-ring.h b/src/wayland/meta-wayland-tablet-pad-ring.h
index d729d6dcc..34ce33a56 100644
--- a/src/wayland/meta-wayland-tablet-pad-ring.h
+++ b/src/wayland/meta-wayland-tablet-pad-ring.h
@@ -32,6 +32,7 @@
 struct _MetaWaylandTabletPadRing
 {
   MetaWaylandTabletPad *pad;
+  MetaWaylandTabletPadGroup *group;
 
   struct wl_list resource_list;
   struct wl_list focus_resource_list;
@@ -42,6 +43,8 @@ struct _MetaWaylandTabletPadRing
 MetaWaylandTabletPadRing * meta_wayland_tablet_pad_ring_new  (MetaWaylandTabletPad *pad);
 void                       meta_wayland_tablet_pad_ring_free (MetaWaylandTabletPadRing *ring);
 
+void                       meta_wayland_tablet_pad_ring_set_group (MetaWaylandTabletPadRing  *ring,
+								   MetaWaylandTabletPadGroup *group);
 struct wl_resource *
              meta_wayland_tablet_pad_ring_create_new_resource (MetaWaylandTabletPadRing *ring,
                                                                struct wl_client         *client,