diff --git a/kicad/tree_project_frame.cpp b/kicad/tree_project_frame.cpp
index f1ffe704e2..e02b4c5f79 100644
--- a/kicad/tree_project_frame.cpp
+++ b/kicad/tree_project_frame.cpp
@@ -845,8 +845,8 @@ void TREE_PROJECT_FRAME::OnIdle( wxIdleEvent& aEvent )
     {
         // Activate launches a window which may run the event loop on top of us
         // and cause OnIdle here to get called again, so be sure to block off the activation condition first
-        PROJECT_TREE_ITEM* item = m_selectedItem;
-        m_selectedItem          = nullptr;
+        TREEPROJECT_ITEM* item = m_selectedItem;
+        m_selectedItem         = nullptr;
 
         item->Activate( this );
     }