diff --git a/contrib/src/xrc/xh_bttn.cpp b/contrib/src/xrc/xh_bttn.cpp
index ff2d4813d0..432e33ccc9 100644
--- a/contrib/src/xrc/xh_bttn.cpp
+++ b/contrib/src/xrc/xh_bttn.cpp
@@ -30,6 +30,7 @@ wxButtonXmlHandler::wxButtonXmlHandler()
     XRC_ADD_STYLE(wxBU_RIGHT);
     XRC_ADD_STYLE(wxBU_TOP);
     XRC_ADD_STYLE(wxBU_BOTTOM);
+    XRC_ADD_STYLE(wxBU_EXACTFIT);
     AddWindowStyles();
 }
 
diff --git a/src/xrc/xh_bttn.cpp b/src/xrc/xh_bttn.cpp
index ff2d4813d0..432e33ccc9 100644
--- a/src/xrc/xh_bttn.cpp
+++ b/src/xrc/xh_bttn.cpp
@@ -30,6 +30,7 @@ wxButtonXmlHandler::wxButtonXmlHandler()
     XRC_ADD_STYLE(wxBU_RIGHT);
     XRC_ADD_STYLE(wxBU_TOP);
     XRC_ADD_STYLE(wxBU_BOTTOM);
+    XRC_ADD_STYLE(wxBU_EXACTFIT);
     AddWindowStyles();
 }