diff --git a/interface/wx/config.h b/interface/wx/config.h
index 4c3f71dae5..ae60b506b7 100644
--- a/interface/wx/config.h
+++ b/interface/wx/config.h
@@ -571,6 +571,7 @@ public:
         @endWxPerlOnly
     */
     bool Read(const wxString& key, wxLongLong_t* ll,
+              wxLongLong_t defaultVal) const;
     /**
         Reads a size_t value, returning @true if the value was found.
         If the value was not found, @a value is not changed.