diff --git a/apps/opencs/view/render/instancemode.cpp b/apps/opencs/view/render/instancemode.cpp
index 332753811..bfc233d29 100644
--- a/apps/opencs/view/render/instancemode.cpp
+++ b/apps/opencs/view/render/instancemode.cpp
@@ -440,5 +440,6 @@ int CSVRender::InstanceMode::getSubMode() const
 
 void CSVRender::InstanceMode::subModeChanged (const std::string& id)
 {
+    getWorldspaceWidget().reset (Mask_Reference);
     getWorldspaceWidget().setSubMode (getSubModeFromId (id), Mask_Reference);
 }