diff --git a/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptc.c b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptc.c
index 354ea2ece83..3957e03a0fe 100644
--- a/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptc.c
+++ b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptc.c
@@ -336,7 +336,7 @@ static char *
 snmp_date2asn_oid(char *str, struct asn_oid *oid)
 {
 	char *endptr, *ptr;
-	static const char UTC[3] = "UTC";
+	static const char UTC[3] __nonstring = "UTC";
 	int32_t saved_errno;
 	uint32_t v;