diff --git a/include/mcc/mcc_generic_movecontrols.h b/include/mcc/mcc_generic_movecontrols.h
index 79ec822..68b16df 100644
--- a/include/mcc/mcc_generic_movecontrols.h
+++ b/include/mcc/mcc_generic_movecontrols.h
@@ -177,7 +177,7 @@ struct MccMovementPathFile {
 
     // general purpose method
     template <std::formattable<char>... ArgTs>
-    void addToPath(std::string_view fmt, ArgTs&... args)
+    void addToPath(std::string_view fmt, ArgTs&&... args)
     {
         std::vformat_to(std::back_inserter(_buffer), fmt, std::make_format_args(args...));
         std::ranges::copy(lineDelim, std::back_inserter(_buffer));