diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index c0c129e79..3e47ff443 100755
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -1341,6 +1341,9 @@ namespace detail
 			}
 		}
 
+		// close listen socket
+		m_listen_socket.reset();
+
 		ptime start(time_now());
 		l.unlock();