diff --git a/lib/dns/zt.c b/lib/dns/zt.c
index ed7f28a4a9..699d06b6ac 100644
--- a/lib/dns/zt.c
+++ b/lib/dns/zt.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zt.c,v 1.47 2007/06/19 23:47:16 tbox Exp $ */
+/* $Id: zt.c,v 1.47.814.1 2011/03/19 02:06:57 each Exp $ */
 
 /*! \file */
 
@@ -299,6 +299,8 @@ freezezones(dns_zone_t *zone, void *uap) {
 
 	if (dns_zone_gettype(zone) != dns_zone_master)
 		return (ISC_R_SUCCESS);
+	if (!dns_zone_isdynamic(zone))
+		return (ISC_R_SUCCESS);
 
 	frozen = dns_zone_getupdatedisabled(zone);
 	if (freeze) {