diff --git a/src/backends/meta-backend-private.h b/src/backends/meta-backend-private.h
index 02b123d5f..d5a7ee515 100644
--- a/src/backends/meta-backend-private.h
+++ b/src/backends/meta-backend-private.h
@@ -50,6 +50,7 @@ struct _MetaBackendClass
   GObjectClass parent_class;
 
   void (* post_init) (MetaBackend *backend);
+  void (* compositor_created) (MetaBackend *backend);
 
   MetaIdleMonitor * (* create_idle_monitor) (MetaBackend *backend,
                                              int          device_id);
diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index 3cfb95110..454616a83 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -79,6 +79,11 @@ meta_backend_real_post_init (MetaBackend *backend)
   priv->cursor_renderer = META_BACKEND_GET_CLASS (backend)->create_cursor_renderer (backend);
 }
 
+static void
+meta_backend_real_compositor_created (MetaBackend *backend)
+{
+}
+
 static MetaCursorRenderer *
 meta_backend_real_create_cursor_renderer (MetaBackend *backend)
 {
@@ -114,6 +119,7 @@ meta_backend_class_init (MetaBackendClass *klass)
   klass->create_cursor_renderer = meta_backend_real_create_cursor_renderer;
   klass->grab_device = meta_backend_real_grab_device;
   klass->ungrab_device = meta_backend_real_ungrab_device;
+  klass->compositor_created = meta_backend_real_compositor_created;
 }
 
 static void
@@ -145,6 +151,12 @@ meta_backend_post_init (MetaBackend *backend)
   META_BACKEND_GET_CLASS (backend)->post_init (backend);
 }
 
+void
+meta_backend_compositor_created (MetaBackend *backend)
+{
+  META_BACKEND_GET_CLASS (backend)->compositor_created (backend);
+}
+
 MetaIdleMonitor *
 meta_backend_get_idle_monitor (MetaBackend *backend,
                                int          device_id)
diff --git a/src/backends/meta-backend.h b/src/backends/meta-backend.h
index f93b6f6cb..27f67df1d 100644
--- a/src/backends/meta-backend.h
+++ b/src/backends/meta-backend.h
@@ -38,6 +38,8 @@ GType meta_backend_get_type (void);
 
 MetaBackend * meta_get_backend (void);
 
+void meta_backend_compositor_created (MetaBackend *backend);
+
 MetaIdleMonitor * meta_backend_get_idle_monitor (MetaBackend *backend,
                                                  int          device_id);
 MetaMonitorManager * meta_backend_get_monitor_manager (MetaBackend *backend);
diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
index c7440e244..d61c97589 100644
--- a/src/backends/x11/meta-backend-x11.c
+++ b/src/backends/x11/meta-backend-x11.c
@@ -266,7 +266,7 @@ take_touch_grab (MetaBackend *backend)
   XISetMask (mask.mask, XI_TouchEnd);
 
   XIGrabTouchBegin (priv->xdisplay, META_VIRTUAL_CORE_POINTER_ID,
-                    DefaultRootWindow (priv->xdisplay),
+                    meta_backend_x11_get_xwindow (x11),
                     False, &mask, 1, &mods);
 }
 
@@ -307,11 +307,15 @@ meta_backend_x11_post_init (MetaBackend *backend)
       meta_fatal ("X server doesn't have the XInput extension, version 2.2 or newer\n");
   }
 
-  take_touch_grab (backend);
-
   META_BACKEND_CLASS (meta_backend_x11_parent_class)->post_init (backend);
 }
 
+static void
+meta_backend_x11_compositor_created (MetaBackend *backend)
+{
+  take_touch_grab (backend);
+}
+
 static MetaIdleMonitor *
 meta_backend_x11_create_idle_monitor (MetaBackend *backend,
                                       int          device_id)
@@ -408,6 +412,7 @@ meta_backend_x11_class_init (MetaBackendX11Class *klass)
   MetaBackendClass *backend_class = META_BACKEND_CLASS (klass);
 
   backend_class->post_init = meta_backend_x11_post_init;
+  backend_class->compositor_created = meta_backend_x11_compositor_created;
   backend_class->create_idle_monitor = meta_backend_x11_create_idle_monitor;
   backend_class->create_monitor_manager = meta_backend_x11_create_monitor_manager;
   backend_class->create_cursor_renderer = meta_backend_x11_create_cursor_renderer;
diff --git a/src/core/display.c b/src/core/display.c
index fc7948e03..8b9c55f6b 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -822,6 +822,8 @@ meta_display_open (void)
 
   enable_compositor (display);
 
+  meta_backend_compositor_created (meta_get_backend ());
+
   meta_screen_create_guard_window (screen);
 
   /* Set up touch support */