X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2807fde4fd1f59c230d69a934634c5dfb77905f2..2d75d1cbec1f1390f086522ccc8a0b3a4e645d89:/src/kernel/activity/MailboxImpl.cpp

diff --git a/src/kernel/activity/MailboxImpl.cpp b/src/kernel/activity/MailboxImpl.cpp
index bed10c21be..8a68981583 100644
--- a/src/kernel/activity/MailboxImpl.cpp
+++ b/src/kernel/activity/MailboxImpl.cpp
@@ -53,7 +53,10 @@ MailboxImpl* MailboxImpl::byNameOrCreate(const char* name)
  */
 void MailboxImpl::setReceiver(s4u::ActorPtr actor)
 {
-  this->permanent_receiver = actor.get()->getImpl();
+  if (actor != nullptr)
+    this->permanent_receiver = actor.get()->getImpl();
+  else
+    this->permanent_receiver = nullptr;
 }
 /** @brief Pushes a communication activity into a mailbox
  *  @param comm What to add