diff --git a/apps/opencs/view/render/previewwidget.cpp b/apps/opencs/view/render/previewwidget.cpp
index 43d45f4cb..1cd39c89b 100644
--- a/apps/opencs/view/render/previewwidget.cpp
+++ b/apps/opencs/view/render/previewwidget.cpp
@@ -2,6 +2,7 @@
 #include "previewwidget.hpp"
 
 #include <OgreSceneManager.h>
+#include <OgreSceneNode.h>
 
 #include "../../model/world/data.hpp"