diff --git a/clutter/clutter/x11/clutter-input-device-xi2.c b/clutter/clutter/x11/clutter-input-device-xi2.c
index f62ba85dc..1254aca3a 100644
--- a/clutter/clutter/x11/clutter-input-device-xi2.c
+++ b/clutter/clutter/x11/clutter-input-device-xi2.c
@@ -110,7 +110,8 @@ clutter_input_device_xi2_finalize (GObject *object)
   if (device_xi2->wacom_device)
     libwacom_destroy (device_xi2->wacom_device);
 
-  g_array_unref (device_xi2->group_modes);
+  if (device_xi2->group_modes)
+    g_array_unref (device_xi2->group_modes);
 #endif
 
   G_OBJECT_CLASS (clutter_input_device_xi2_parent_class)->finalize (object);