1 files changed, 1 insertions, 0 deletions

diff --git a/window.h b/window.h
index a4756d6cc..80304e189 100644
--- a/window.h
+++ b/window.h
@@ -335,6 +335,7 @@ struct Window {
 	uint32 desc_flags;
 
 	WindowMessage message;
+	Window *parent;
 	byte custom[WINDOW_CUSTOM_SIZE];
 };