diff --git a/clutter/clutter/clutter-event.h b/clutter/clutter/clutter-event.h
index 5478f1d60..88f899ea0 100644
--- a/clutter/clutter/clutter-event.h
+++ b/clutter/clutter/clutter-event.h
@@ -459,6 +459,7 @@ struct _ClutterTouchpadPinchEvent
   gfloat dy;
   gfloat angle_delta;
   gfloat scale;
+  guint n_fingers;
 };
 
 /**