diff --git a/src/compositor.h b/src/compositor.h
index e318d7b..fe7176a 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -182,6 +182,7 @@
 	struct {
 		struct weston_spring spring;
 		struct weston_animation animation;
+		struct weston_surface *surface;
 	} fade;
 
 	uint32_t state;