diff --git a/ipacm/src/IPACM_Wlan.cpp b/ipacm/src/IPACM_Wlan.cpp
index 375a718..f5c5288 100644
--- a/ipacm/src/IPACM_Wlan.cpp
+++ b/ipacm/src/IPACM_Wlan.cpp
@@ -157,7 +157,7 @@
 				IPACMDBG_H("Received IPA_WLAN_LINK_DOWN_EVENT\n");
 				handle_down_evt();
 				/* reset the AP-iface category to unknown */
-				ipa_if_cate = UNKNOWN_IF;
+				IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat = UNKNOWN_IF;
 				IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
 				IPACM_Wlan::total_num_wifi_clients = (IPACM_Wlan::total_num_wifi_clients) - \
                                                                      (num_wifi_client);