diff --git a/include/wx/caret.h b/include/wx/caret.h
index e6e9728ff8..b625b5f0ac 100644
--- a/include/wx/caret.h
+++ b/include/wx/caret.h
@@ -153,6 +153,7 @@ protected:
         m_window = window;
         m_width = width;
         m_height = height;
+        DoSize();
 
         return true;
     }