diff --git a/include/wx/fileconf.h b/include/wx/fileconf.h
index 725af95b69..ea5eab4493 100644
--- a/include/wx/fileconf.h
+++ b/include/wx/fileconf.h
@@ -121,7 +121,7 @@ public:
                const wxString& vendorName = wxEmptyString,
                const wxString& localFilename = wxEmptyString,
                const wxString& globalFilename = wxEmptyString,
-               long style = wxCONFIG_USE_LOCAL_FILE,
+               long style = wxCONFIG_USE_LOCAL_FILE | wxCONFIG_USE_GLOBAL_FILE,
                wxMBConv& conv = wxConvUTF8);
 
 #if wxUSE_STREAMS
diff --git a/include/wx/msw/regconf.h b/include/wx/msw/regconf.h
index 666547a35d..3c83e70c98 100644
--- a/include/wx/msw/regconf.h
+++ b/include/wx/msw/regconf.h
@@ -34,7 +34,7 @@ public:
               const wxString& vendorName = wxEmptyString,
               const wxString& localFilename = wxEmptyString,
               const wxString& globalFilename = wxEmptyString,
-              long style = 0);
+              long style = wxCONFIG_USE_GLOBAL_FILE);
 
     // dtor will save unsaved data
   virtual ~wxRegConfig();