diff --git a/src/libsystemd-network/sd-dhcp6-lease.c b/src/libsystemd-network/sd-dhcp6-lease.c
index ab59977a3f..8396407e9f 100644
--- a/src/libsystemd-network/sd-dhcp6-lease.c
+++ b/src/libsystemd-network/sd-dhcp6-lease.c
@@ -226,7 +226,7 @@ int dhcp6_lease_set_domains(sd_dhcp6_lease *lease, uint8_t *optval,
         if (r < 0)
                 return 0;
 
-        free(lease->domains);
+        strv_free(lease->domains);
         lease->domains = domains;
         lease->domains_count = r;