1 files changed, 3 insertions, 1 deletions
diff --git a/editor.cpp b/editor.cpp
index da83e15..a51c421 100644
--- a/editor.cpp
+++ b/editor.cpp
@@ -16,8 +16,10 @@ static struct {
 
 static int mat_win_handler(UI::Element* e, const UI::Message& m) {
 	(void)e;
-	if (m.type == UI::Message::Type::destroy)
+	if (m.type == UI::Message::Type::destroy) {
 		editor.mat_btn->enable();
+		editor.mat_win = 0;
+	}
 	return 0;
 }