Index: ./boost/multi_index/ordered_index.hpp
===================================================================
--- ./boost/multi_index/ordered_index.hpp	(old)
+++ ./boost/multi_index/ordered_index.hpp	(new)
@@ -401,7 +401,7 @@
     return modify(
       position,
       modify_key_adaptor<Modifier,value_type,KeyFromValue>(mod,key),
-      modify_key_adaptor<Modifier,value_type,KeyFromValue>(back,key));
+      modify_key_adaptor<Rollback,value_type,KeyFromValue>(back,key));
   }
 
   void swap(ordered_index<KeyFromValue,Compare,SuperMeta,TagList,Category>& x)