diff --git a/bin/tests/rbt_test.c b/bin/tests/rbt_test.c
index fd2bd81dbb..d50a024b63 100644
--- a/bin/tests/rbt_test.c
+++ b/bin/tests/rbt_test.c
@@ -189,6 +189,8 @@ detail(dns_rbt_t *rbt, dns_name_t *name) {
 		printf("\n  result from dns_rbtnodechain_current: %s\n",
 		       dns_result_totext(result));
 
+	printf("  level_matches = %d, level_count = %d\n",
+	       chain.level_matches, chain.level_count);
 }
 
 static void