diff --git a/src/gtk/radiobox.cpp b/src/gtk/radiobox.cpp
index e84d215469..2f8dd1b50e 100644
--- a/src/gtk/radiobox.cpp
+++ b/src/gtk/radiobox.cpp
@@ -49,7 +49,7 @@ public:
 //-----------------------------------------------------------------------------
 
 #include "wx/listimpl.cpp"
-WX_DEFINE_LIST( wxRadioBoxButtonsInfoList );
+WX_DEFINE_LIST(wxRadioBoxButtonsInfoList)
 
 extern bool          g_blockEventsOnDrag;