diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h b/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
index 531951c553..20a2709fb6 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
@@ -125,9 +125,9 @@ class TableExchange {
 
           // Put the found subtable to the end.
           SubTableType subtable_copy = *it;
-          received_subtables_[process_id].erase(it);
-          received_subtables_[process_id].push_back(SubTableType());
-          received_subtables_[process_id].back() = subtable_copy;
+          (*it) = received_subtables_[process_id].front();
+	  received_subtables_[process_id].pop_front();
+          received_subtables_[process_id].push_back(subtable_copy);
           return &(received_subtables_[process_id].back());
         }
       }