diff --git a/include/chaiscript/dispatchkit/dispatchkit.hpp b/include/chaiscript/dispatchkit/dispatchkit.hpp
index 6496ba60..38ff09c0 100644
--- a/include/chaiscript/dispatchkit/dispatchkit.hpp
+++ b/include/chaiscript/dispatchkit/dispatchkit.hpp
@@ -438,7 +438,7 @@ namespace chaiscript
 
         /// Set the value of an object, by name. If the object
         /// is not available in the current scope it is created
-        void add(const Boxed_Value &obj, const std::string &name)
+        void add(Boxed_Value obj, const std::string &name)
         {
           validate_object_name(name);
           auto &stack = get_stack_data();
diff --git a/include/chaiscript/language/chaiscript_eval.hpp b/include/chaiscript/language/chaiscript_eval.hpp
index 37df8500..6f8442ce 100644
--- a/include/chaiscript/language/chaiscript_eval.hpp
+++ b/include/chaiscript/language/chaiscript_eval.hpp
@@ -316,9 +316,10 @@ namespace chaiscript
 
         virtual ~Inplace_Fun_Call_AST_Node() {}
         virtual Boxed_Value eval_internal(chaiscript::detail::Dispatch_Engine &t_ss) const CHAISCRIPT_OVERRIDE{
-          std::vector<Boxed_Value> params;
           chaiscript::eval::detail::Function_Push_Pop fpp(t_ss);
 
+          std::vector<Boxed_Value> params;
+          params.reserve(this->children[1]->children.size());
           for (const auto &child : this->children[1]->children) {
             params.push_back(child->eval(t_ss));
           }