diff -urNp a/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c b/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c
--- a/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c	2019-07-29 12:58:53.871166649 +0200
+++ b/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c	2019-07-29 13:02:34.718033022 +0200
@@ -352,6 +352,7 @@ _check_interface_entry_for_updates(ifTab
             rowreq_ctx->data.ifAdminStatus = IFADMINSTATUS_DOWN;
             rowreq_ctx->data.ifOperStatus = IFOPERSTATUS_DOWN;
             oper_changed = 1;
+            rowreq_ctx->data.ifLastChange = netsnmp_get_agent_uptime();
         }
         if (rowreq_ctx->known_missing) {
             time_t now = netsnmp_get_agent_uptime();