diff --git a/common/Motion/motion_server.cpp b/common/Motion/motion_server.cpp
index 81dff6b..d61bdc1 100644
--- a/common/Motion/motion_server.cpp
+++ b/common/Motion/motion_server.cpp
@@ -579,6 +579,7 @@ void run_motion_server()
   printf("(press Ctrl+C to exit)\n");
   signal(SIGINT,killFunc);
   MyRequestReplyServer server(serverAddr,10);
-  server.Start();
+  if(!server.Start()) 
+    return;
   server.Run();
 }
diff --git a/common/MotionServer_kinematic b/common/MotionServer_kinematic
index 2928ca0..caf2bce 100755
Binary files a/common/MotionServer_kinematic and b/common/MotionServer_kinematic differ
diff --git a/common/MotionServer_physical b/common/MotionServer_physical
index 8129729..24de108 100755
Binary files a/common/MotionServer_physical and b/common/MotionServer_physical differ