diff --git a/chaiscript/chaiscript_prelude.hpp b/chaiscript/chaiscript_prelude.hpp
index fbc36ad2..1b930827 100644
--- a/chaiscript/chaiscript_prelude.hpp
+++ b/chaiscript/chaiscript_prelude.hpp
@@ -24,6 +24,7 @@ def max(a, b) { if (a>b) { a } else { b } } \n\
 def min(a, b) { if (a<b) { a } else { b } } \n\
 def odd(x)  { if (x % 2 == 1) { true } else { false } } \n\
 def even(x) { if (x % 2 == 0) { true } else { false } } \n\
+def push_back(container, x) { container.push_back_ref(clone(x)) } \n\
 def for_each(container, func) : call_exists(range, container) { \n\
   var range = range(container); \n\
   while (!range.empty()) { \n\
diff --git a/dispatchkit/bootstrap_stl.hpp b/dispatchkit/bootstrap_stl.hpp
index 3da67e6c..e629b2e7 100644
--- a/dispatchkit/bootstrap_stl.hpp
+++ b/dispatchkit/bootstrap_stl.hpp
@@ -135,7 +135,7 @@ namespace dispatchkit
     typedef typename SequenceType::reference (SequenceType::*backptr)();
 
     system.register_function(boost::function<typename SequenceType::reference (SequenceType *)>(backptr(&SequenceType::back)), "back");
-    system.register_function(boost::function<void (SequenceType *,typename SequenceType::value_type)>(&SequenceType::push_back), "push_back");
+    system.register_function(boost::function<void (SequenceType *,typename SequenceType::value_type)>(&SequenceType::push_back), "push_back_ref");
     system.register_function(boost::function<void (SequenceType *)>(&SequenceType::pop_back), "pop_back");
   }