diff --git a/src/libsystemd-network/dhcp6-option.c b/src/libsystemd-network/dhcp6-option.c
index d25377d377..735fd2cde2 100644
--- a/src/libsystemd-network/dhcp6-option.c
+++ b/src/libsystemd-network/dhcp6-option.c
@@ -72,8 +72,8 @@ bool dhcp6_option_can_request(uint16_t option) {
                 return false;
         case SD_DHCP6_OPTION_CLIENT_FQDN:
         case SD_DHCP6_OPTION_PANA_AGENT:
-        case SD_DHCP6_OPTION_NEW_POSIX_TIMEZONE:
-        case SD_DHCP6_OPTION_NEW_TZDB_TIMEZONE:
+        case SD_DHCP6_OPTION_POSIX_TIMEZONE:
+        case SD_DHCP6_OPTION_TZDB_TIMEZONE:
                 return true;
         case SD_DHCP6_OPTION_ERO:
         case SD_DHCP6_OPTION_LQ_QUERY:
diff --git a/src/systemd/sd-dhcp6-client.h b/src/systemd/sd-dhcp6-client.h
index 1bb21e0255..d89b7d1c83 100644
--- a/src/systemd/sd-dhcp6-client.h
+++ b/src/systemd/sd-dhcp6-client.h
@@ -81,8 +81,8 @@ enum {
         SD_DHCP6_OPTION_SUBSCRIBER_ID              = 38,  /* RFC 4580 */
         SD_DHCP6_OPTION_CLIENT_FQDN                = 39,  /* RFC 4704 */
         SD_DHCP6_OPTION_PANA_AGENT                 = 40,  /* RFC 5192 */
-        SD_DHCP6_OPTION_NEW_POSIX_TIMEZONE         = 41,  /* RFC 4833 */
-        SD_DHCP6_OPTION_NEW_TZDB_TIMEZONE          = 42,  /* RFC 4833 */
+        SD_DHCP6_OPTION_POSIX_TIMEZONE             = 41,  /* RFC 4833 */
+        SD_DHCP6_OPTION_TZDB_TIMEZONE              = 42,  /* RFC 4833 */
         SD_DHCP6_OPTION_ERO                        = 43,  /* RFC 4994 */
         SD_DHCP6_OPTION_LQ_QUERY                   = 44,  /* RFC 5007 */
         SD_DHCP6_OPTION_CLIENT_DATA                = 45,  /* RFC 5007 */