diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 9122c644e8..1e6371c1ef 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -1190,6 +1190,7 @@ int link_request_address(
         } else {
                 existing->source = address->source;
                 existing->provider = address->provider;
+                existing->duplicate_address_detection = address->duplicate_address_detection;
                 existing->lifetime_valid_usec = address->lifetime_valid_usec;
                 existing->lifetime_preferred_usec = address->lifetime_preferred_usec;
                 if (consume_object)