1 files changed, 1 insertions, 0 deletions
diff --git a/window.c b/window.c
index bfe2bba1b..58de0affa 100644
--- a/window.c
+++ b/window.c
@@ -1767,6 +1767,7 @@ void InvalidateWindowClasses(WindowClass cls)
 void InvalidateThisWindowData(Window *w)
 {
 	CallWindowEventNP(w, WE_INVALIDATE_DATA);
+	SetWindowDirty(w);
 }
 
 void InvalidateWindowData(WindowClass cls, WindowNumber number)