diff --git a/dlls/user32/edit.c b/dlls/user32/edit.c
index 226d7378a0b..278aa384a93 100644
--- a/dlls/user32/edit.c
+++ b/dlls/user32/edit.c
@@ -4601,6 +4601,7 @@ static LRESULT EDIT_WM_NCDestroy(EDITSTATE *es)
 		pc = pp;
 	}
 
+	EDIT_InvalidateUniscribeData(es);
 	SetWindowLongPtrW( es->hwndSelf, 0, 0 );
 	HeapFree(GetProcessHeap(), 0, es->undo_text);
 	HeapFree(GetProcessHeap(), 0, es);