diff --git a/tests/dns/private_test.c b/tests/dns/private_test.c
index 2bd8b366fb..762bc0626b 100644
--- a/tests/dns/private_test.c
+++ b/tests/dns/private_test.c
@@ -168,8 +168,10 @@ ISC_RUN_TEST_IMPL(private_nsec3_totext) {
 	const char *results[] = { "Creating NSEC3 chain 1 0 1 BEEF",
 				  "Creating NSEC3 chain 1 1 10 DADD",
 				  "Pending NSEC3 chain 1 0 20 BEAD",
+				  /* clang-format off */
 				  ("Removing NSEC3 chain 1 0 30 DEAF / "
 				   "creating NSEC chain"),
+				  /* clang-format on */
 				  "Removing NSEC3 chain 1 0 100 FEEDABEE" };
 	int ncases = 5;