diff --git a/src/xrc/xh_combo.cpp b/src/xrc/xh_combo.cpp
index da2040909c..032f36ecbf 100644
--- a/src/xrc/xh_combo.cpp
+++ b/src/xrc/xh_combo.cpp
@@ -22,6 +22,7 @@
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/combobox.h"
+    #include "wx/textctrl.h" // for wxTE_PROCESS_ENTER
 #endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxComboBoxXmlHandler, wxXmlResourceHandler)
@@ -34,6 +35,7 @@ wxComboBoxXmlHandler::wxComboBoxXmlHandler()
     XRC_ADD_STYLE(wxCB_SORT);
     XRC_ADD_STYLE(wxCB_READONLY);
     XRC_ADD_STYLE(wxCB_DROPDOWN);
+    XRC_ADD_STYLE(wxTE_PROCESS_ENTER);
     AddWindowStyles();
 }