diff -r f77d2230e87c -r d384df40c8e7 src/modeleditcontext.cpp
--- a/src/modeleditcontext.cpp	Wed Sep 22 00:25:13 2021 +0300
+++ b/src/modeleditcontext.cpp	Wed Sep 22 00:25:31 2021 +0300
@@ -29,8 +29,7 @@
 {
 	for (ldraw::id_t id : this->modifiedObjects)
 	{
-		const QModelIndex index = this->model().lookup(id);
-		Q_EMIT this->model().dataChanged(index, index);
+		this->model().objectModified(id);
 	}
 }