diff --git a/include/chaiscript/dispatchkit/dispatchkit.hpp b/include/chaiscript/dispatchkit/dispatchkit.hpp
index de2caa0..806abae 100644
--- a/include/chaiscript/dispatchkit/dispatchkit.hpp
+++ b/include/chaiscript/dispatchkit/dispatchkit.hpp
@@ -1033,6 +1033,7 @@ namespace chaiscript
           if (funs.first != loc) t_loc.store(uint_fast32_t(funs.first), std::memory_order_relaxed);
           Boxed_Value bv = dispatch::dispatch(*funs.second, params, m_conversions);
           // the result of a clone is never to be marked as a return_value
+          // \todo see if we can eliminate this comparison
           if (t_name == "clone") {
             bv.reset_return_value();
           }
diff --git a/include/chaiscript/dispatchkit/proxy_functions.hpp b/include/chaiscript/dispatchkit/proxy_functions.hpp
index 156831f..d9da2e6 100644
--- a/include/chaiscript/dispatchkit/proxy_functions.hpp
+++ b/include/chaiscript/dispatchkit/proxy_functions.hpp
@@ -211,7 +211,7 @@ namespace chaiscript
           if (ti.is_undef() 
               || ti.bare_equal(user_type<Boxed_Value>())
               || (!bv.get_type_info().is_undef()
-                && (ti.bare_equal(user_type<Boxed_Number>())
+                && ( (ti.bare_equal(user_type<Boxed_Number>()) && bv.get_type_info().is_arithmetic())
                   || ti.bare_equal(bv.get_type_info())
                   || bv.get_type_info().bare_equal(user_type<std::shared_ptr<const Proxy_Function_Base> >())
                   || t_conversions.converts(ti, bv.get_type_info())