diff --git a/src/libsystemd-network/dhcp6-lease-internal.h b/src/libsystemd-network/dhcp6-lease-internal.h
index 562fce3d3a..8801497b72 100644
--- a/src/libsystemd-network/dhcp6-lease-internal.h
+++ b/src/libsystemd-network/dhcp6-lease-internal.h
@@ -50,7 +50,7 @@ int dhcp6_lease_get_rapid_commit(sd_dhcp6_lease *lease, bool *rapid_commit);
 int dhcp6_lease_get_iaid(sd_dhcp6_lease *lease, be32_t *iaid);
 int dhcp6_lease_get_pd_iaid(sd_dhcp6_lease *lease, be32_t *iaid);
 
-int dhcp6_lease_set_dns(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen);
+int dhcp6_lease_add_dns(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen);
 int dhcp6_lease_add_domains(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen);
 int dhcp6_lease_add_ntp(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen);
 int dhcp6_lease_add_sntp(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen) ;
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index d7c29d3e58..87dd8c84d1 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -1243,7 +1243,7 @@ static int client_parse_message(
                         break;
 
                 case SD_DHCP6_OPTION_DNS_SERVERS:
-                        r = dhcp6_lease_set_dns(lease, optval, optlen);
+                        r = dhcp6_lease_add_dns(lease, optval, optlen);
                         if (r < 0)
                                 return r;
 
diff --git a/src/libsystemd-network/sd-dhcp6-lease.c b/src/libsystemd-network/sd-dhcp6-lease.c
index 7dc4286a45..c55b06d2f7 100644
--- a/src/libsystemd-network/sd-dhcp6-lease.c
+++ b/src/libsystemd-network/sd-dhcp6-lease.c
@@ -193,7 +193,7 @@ void sd_dhcp6_lease_reset_pd_prefix_iter(sd_dhcp6_lease *lease) {
                 lease->prefix_iter = lease->pd.addresses;
 }
 
-int dhcp6_lease_set_dns(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen) {
+int dhcp6_lease_add_dns(sd_dhcp6_lease *lease, const uint8_t *optval, size_t optlen) {
         assert_return(lease, -EINVAL);
         assert_return(optval, -EINVAL);
 
diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c
index 64b51f1232..b725f5c305 100644
--- a/src/libsystemd-network/test-dhcp6-client.c
+++ b/src/libsystemd-network/test-dhcp6-client.c
@@ -510,8 +510,7 @@ static int test_advertise_option(sd_event *e) {
 
                 case SD_DHCP6_OPTION_DNS_SERVERS:
                         assert_se(optlen == 16);
-                        assert_se(dhcp6_lease_set_dns(lease, optval,
-                                                      optlen) >= 0);
+                        assert_se(dhcp6_lease_add_dns(lease, optval, optlen) >= 0);
                         break;
 
                 case SD_DHCP6_OPTION_DOMAIN_LIST: