diff --git a/src/Gui/SoFCUnifiedSelection.cpp b/src/Gui/SoFCUnifiedSelection.cpp
index ff66d3a678..c853ce333b 100644
--- a/src/Gui/SoFCUnifiedSelection.cpp
+++ b/src/Gui/SoFCUnifiedSelection.cpp
@@ -782,6 +782,7 @@ void SoHighlightElementAction::initClass()
     SO_ACTION_INIT_CLASS(SoHighlightElementAction,SoAction);
 
     SO_ENABLE(SoHighlightElementAction, SoSwitchElement);
+    SO_ENABLE(SoHighlightElementAction, SoModelMatrixElement);
 
     SO_ACTION_ADD_METHOD(SoNode,nullAction);
 
@@ -849,6 +850,7 @@ void SoSelectionElementAction::initClass()
     SO_ACTION_INIT_CLASS(SoSelectionElementAction,SoAction);
 
     SO_ENABLE(SoSelectionElementAction, SoSwitchElement);
+    SO_ENABLE(SoSelectionElementAction, SoModelMatrixElement);
 
     SO_ACTION_ADD_METHOD(SoNode,nullAction);