Fix mc liveness examples.

[simgrid.git] / src / msg / msg_task.cpp

diff --git a/src/msg/msg_task.cpp b/src/msg/msg_task.cpp
index 803c9db..9a231b5 100644 (file)
--- a/src/msg/msg_task.cpp
+++ b/src/msg/msg_task.cpp
@@ -134,6 +134,7 @@ msg_error_t Task::send(std::string alias, double timeout)
   msg_error_t ret = MSG_OK;
   /* Try to send it */
   try {
+    comm = nullptr; // needed, otherwise MC gets confused.
     s4u::CommPtr s4u_comm = send_async(alias, nullptr, false);
     comm                  = s4u_comm;
     comm->wait_for(timeout);