diff --git a/toplevel.cpp b/toplevel.cpp
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -118,6 +118,7 @@
     damage_handle = None;
     damage_region = c->damage_region;
     repaints_region = c->repaints_region;
+    layer_repaints_region = c->layer_repaints_region;
     is_shape = c->is_shape;
     effect_window = c->effect_window;
     if (effect_window != NULL)