diff --git a/src/wrench/simgrid_S4U_util/S4U_CommPort.cpp b/src/wrench/simgrid_S4U_util/S4U_CommPort.cpp
index 1a859cddc6..320b3bbf52 100755
--- a/src/wrench/simgrid_S4U_util/S4U_CommPort.cpp
+++ b/src/wrench/simgrid_S4U_util/S4U_CommPort.cpp
@@ -131,6 +131,7 @@ namespace wrench {
         } catch (simgrid::TimeoutException &e) {
             WRENCH_INFO("IN THIS TRY CATCH: TIMEOUT (timeoutvalue=%lf)", timeout);
             auto failed_recv = pending_receives.get_failed_activity();
+            WRENCH_INFO("----> %s", failed_recv->get_cname());
             if (failed_recv == mb_comm) {
                 WRENCH_INFO("THE TIMED OUT ACTIVITY WAS MB_COMM");
                 mq_comm->cancel();