diff -r 05ce5a34c497 -r 43ce3672648a src/ui/polygonobjecteditor.h
--- a/src/ui/polygonobjecteditor.h	Tue Jan 26 12:21:35 2021 +0200
+++ b/src/ui/polygonobjecteditor.h	Tue Jan 26 18:02:17 2021 +0200
@@ -1,5 +1,6 @@
 #pragma once
 #include <QWidget>
+#include <QSplitter>
 #include "main.h"
 #include "../widgets/vec3editor.h"
 
@@ -19,5 +20,5 @@
 	Model* model;
 	ldraw::id_t storedObjectId;
 	std::vector<std::unique_ptr<QWidget>> widgets;
-	std::optional<class QSplitter> splitter;
+	std::optional<QSplitter> splitter;
 };