diff --git a/communication_techniques/src/main.c b/communication_techniques/src/main.c
index fa34f72..1cdada4 100644
--- a/communication_techniques/src/main.c
+++ b/communication_techniques/src/main.c
@@ -166,6 +166,20 @@ void *producer(void *cont_ptr_void)
 			return NULL;
 		}
 	}
+	else
+	{
+		pthread_t tid;
+		cpu_set_t cpuset;
+
+		tid = pthread_self();
+		CPU_ZERO(&cpuset);
+		CPU_SET(2, &cpuset);
+		if (pthread_setaffinity_np(tid, sizeof(cpu_set_t), &cpuset))
+		{
+			perror("pthread_setaffinity_np");
+			return NULL;
+		}
+	}
 	printf("Registering: %p !\n", (void*) pthread_self());
 	add_sender();
 	k = cont_ptr_void;
@@ -207,7 +221,7 @@ void *receptor(void *a)
 
 		tid = pthread_self();
 		CPU_ZERO(&cpuset);
-		CPU_SET(1, &cpuset);
+		CPU_SET(0, &cpuset);
 		if (pthread_setaffinity_np(tid, sizeof(cpu_set_t), &cpuset))
 		{
 			perror("pthread_setaffinity_np");