diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index 2c2d062ede5..0584059fec8 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -772,6 +772,7 @@ static int client_parse_message(
         bool clientid = false;
         uint8_t *id = NULL;
         size_t id_len;
+        uint32_t lt_t1 = ~0, lt_t2 = ~0;
 
         assert(client);
         assert(message);
@@ -872,6 +873,11 @@ static int client_parse_message(
                                 return -EINVAL;
                         }
 
+                        if (lease->ia.addresses) {
+                                lt_t1 = MIN(lt_t1, be32toh(lease->ia.ia_na.lifetime_t1));
+                                lt_t2 = MIN(lt_t2, be32toh(lease->ia.ia_na.lifetime_t1));
+                        }
+
                         break;
 
                 case SD_DHCP6_OPTION_IA_PD:
@@ -895,6 +901,11 @@ static int client_parse_message(
                                 return -EINVAL;
                         }
 
+                        if (lease->pd.addresses) {
+                                lt_t1 = MIN(lt_t1, be32toh(lease->pd.ia_pd.lifetime_t1));
+                                lt_t2 = MIN(lt_t2, be32toh(lease->pd.ia_pd.lifetime_t2));
+                        }
+
                         break;
 
                 case SD_DHCP6_OPTION_RAPID_COMMIT:
@@ -947,6 +958,17 @@ static int client_parse_message(
                 if (r < 0)
                         log_dhcp6_client(client, "%s has no server id",
                                          dhcp6_message_type_to_string(message->type));
+                return r;
+        }
+
+        if (lease->ia.addresses) {
+                lease->ia.ia_na.lifetime_t1 = htobe32(lt_t1);
+                lease->ia.ia_na.lifetime_t2 = htobe32(lt_t2);
+        }
+
+        if (lease->pd.addresses) {
+                lease->pd.ia_pd.lifetime_t1 = htobe32(lt_t1);
+                lease->pd.ia_pd.lifetime_t2 = htobe32(lt_t2);
         }
 
         return r;