diff --git a/code/leak.c b/code/leak.c
index a193aab50..9418192ca 100644
--- a/code/leak.c
+++ b/code/leak.c
@@ -121,6 +121,7 @@ main(void)
 			if (last_slab == (size_t)-1) {
 				last_slab = i;
 			} else if (i - last_slab == OBJS_PER_SLAB) {
+				printf("Exit from sidechannel\n");
 				break;
 			} else {
 				last_slab = -1;