diff --git a/CommonLibSF/include/REL/Version.h b/CommonLibSF/include/REL/Version.h
index b32a828a..d9495b8a 100644
--- a/CommonLibSF/include/REL/Version.h
+++ b/CommonLibSF/include/REL/Version.h
@@ -155,7 +155,7 @@ namespace std
     struct formatter<REL::Version, CharT> : formatter<std::string, CharT>
 	{
         template<class FormatContext>
-        auto format(const REL::Version &a_version, FormatContext &a_ctx)
+        auto format(REL::Version a_version, FormatContext &a_ctx)
 		{
             return formatter<std::string, CharT>::format(a_version.string(), a_ctx);
         }