diff --git a/utils/threadpool/threadpool.h b/utils/threadpool/threadpool.h
index 84c9aff7a..16754385d 100644
--- a/utils/threadpool/threadpool.h
+++ b/utils/threadpool/threadpool.h
@@ -75,9 +75,8 @@ public:
     boost::thread* create_thread(F threadfunc)
     {
         boost::lock_guard<boost::shared_mutex> guard(m);
-        std::auto_ptr<boost::thread> new_thread(new boost::thread(threadfunc));
-        threads.push_back(new_thread.get());
-        return new_thread.release();
+        threads.push_back(new boost::thread(threadfunc));
+        return threads.back();
     }
 
     void add_thread(boost::thread* thrd)