diff --git a/src/xrc/xmlres.cpp b/src/xrc/xmlres.cpp
index 3cda8546b1..1434040d17 100644
--- a/src/xrc/xmlres.cpp
+++ b/src/xrc/xmlres.cpp
@@ -730,6 +730,7 @@ void wxXmlResourceHandler::AddWindowStyles()
     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
     XRC_ADD_STYLE(wxFULL_REPAINT_ON_RESIZE);
     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
+    XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
 }