diff --git a/src/xrc/xh_tglbtn.cpp b/src/xrc/xh_tglbtn.cpp
index c5f0b559e7..174252ae28 100644
--- a/src/xrc/xh_tglbtn.cpp
+++ b/src/xrc/xh_tglbtn.cpp
@@ -19,6 +19,7 @@
 
 #include "wx/xrc/xh_tglbtn.h"
 #include "wx/tglbtn.h"
+#include "wx/button.h" // solely for wxBU_EXACTFIT
 
 IMPLEMENT_DYNAMIC_CLASS(wxToggleButtonXmlHandler, wxXmlResourceHandler)