diff --git a/communication_techniques/src/main.c b/communication_techniques/src/main.c
index 911b70b..f4317d7 100644
--- a/communication_techniques/src/main.c
+++ b/communication_techniques/src/main.c
@@ -490,7 +490,7 @@ static int consumer_data(node_param_t *node_param)
 		/*printf("[%p] Just received %d word-sized data%s\n", (void *) pthread_self(), WORDS_PER_LINE, WORDS_PER_LINE ? "s" : "");*/
 		}
 	}
-	if (unlikely(!(node_param->type & SINK)))
+	if (unlikely(!!(node_param->type & SINK)))
 		printf("[%p] Consumer finished !\n", (void*) pthread_self());
 	if (delayed_error)
 		return -1;