diff --git a/package/network/services/hostapd/patches/600-ubus_support.patch b/package/network/services/hostapd/patches/600-ubus_support.patch
index 31e3e79995..b63d99a57d 100644
--- a/package/network/services/hostapd/patches/600-ubus_support.patch
+++ b/package/network/services/hostapd/patches/600-ubus_support.patch
@@ -1,5 +1,7 @@
---- a/hostapd/Makefile
-+++ b/hostapd/Makefile
+Index: hostapd-2017-08-24-c2d4f2eb/hostapd/Makefile
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/hostapd/Makefile
++++ hostapd-2017-08-24-c2d4f2eb/hostapd/Makefile
 @@ -165,6 +165,11 @@ OBJS += ../src/common/hw_features_common
  
  OBJS += ../src/eapol_auth/eapol_auth_sm.o
@@ -12,8 +14,10 @@
  
  ifdef CONFIG_CODE_COVERAGE
  CFLAGS += -O0 -fprofile-arcs -ftest-coverage
---- a/src/ap/hostapd.h
-+++ b/src/ap/hostapd.h
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/hostapd.h
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/hostapd.h
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/hostapd.h
 @@ -13,6 +13,7 @@
  #include "utils/list.h"
  #include "ap_config.h"
@@ -39,8 +43,10 @@
  	enum hostapd_iface_state {
  		HAPD_IFACE_UNINITIALIZED,
  		HAPD_IFACE_DISABLED,
---- a/src/ap/hostapd.c
-+++ b/src/ap/hostapd.c
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/hostapd.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/hostapd.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/hostapd.c
 @@ -309,6 +309,7 @@ static void hostapd_free_hapd_data(struc
  	hapd->started = 0;
  
@@ -82,8 +88,10 @@
  	hostapd_interface_deinit(iface);
  	wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
  		   __func__, driver, drv_priv);
---- a/src/ap/ieee802_11.c
-+++ b/src/ap/ieee802_11.c
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/ieee802_11.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/ieee802_11.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/ieee802_11.c
 @@ -1587,7 +1587,8 @@ ieee802_11_set_radius_info(struct hostap
  
  
@@ -201,8 +209,10 @@
  		ret = 1;
  		break;
  	case WLAN_FC_STYPE_DISASSOC:
---- a/src/ap/beacon.c
-+++ b/src/ap/beacon.c
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/beacon.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/beacon.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/beacon.c
 @@ -716,7 +716,7 @@ void sta_track_claim_taxonomy_info(struc
  
  void handle_probe_req(struct hostapd_data *hapd,
@@ -241,8 +251,10 @@
  	/* TODO: verify that supp_rates contains at least one matching rate
  	 * with AP configuration */
  
---- a/src/ap/beacon.h
-+++ b/src/ap/beacon.h
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/beacon.h
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/beacon.h
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/beacon.h
 @@ -14,7 +14,7 @@ struct ieee80211_mgmt;
  
  void handle_probe_req(struct hostapd_data *hapd,
@@ -252,8 +264,10 @@
  int ieee802_11_set_beacon(struct hostapd_data *hapd);
  int ieee802_11_set_beacons(struct hostapd_iface *iface);
  int ieee802_11_update_beacons(struct hostapd_iface *iface);
---- a/src/ap/drv_callbacks.c
-+++ b/src/ap/drv_callbacks.c
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/drv_callbacks.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/drv_callbacks.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/drv_callbacks.c
 @@ -116,6 +116,10 @@ int hostapd_notif_assoc(struct hostapd_d
  	u16 reason = WLAN_REASON_UNSPECIFIED;
  	u16 status = WLAN_STATUS_SUCCESS;
@@ -278,8 +292,10 @@
  #ifdef CONFIG_P2P
  	if (elems.p2p) {
  		wpabuf_free(sta->p2p_ie);
---- a/src/ap/sta_info.c
-+++ b/src/ap/sta_info.c
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/sta_info.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/sta_info.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/sta_info.c
 @@ -404,6 +404,7 @@ void ap_handle_timer(void *eloop_ctx, vo
  			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
  			       "local deauth request");
@@ -296,8 +312,18 @@
  		break;
  	}
  }
---- a/src/ap/wpa_auth_glue.c
-+++ b/src/ap/wpa_auth_glue.c
+@@ -1212,6 +1214,7 @@ void ap_sta_set_authorized(struct hostap
+ 					  buf, ip_addr);
+ 	} else {
+ 		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
++		hostapd_ubus_notify(hapd, "disassoc", sta->addr);
+ 
+ 		if (hapd->msg_ctx_parent &&
+ 		    hapd->msg_ctx_parent != hapd->msg_ctx)
+Index: hostapd-2017-08-24-c2d4f2eb/src/ap/wpa_auth_glue.c
+===================================================================
+--- hostapd-2017-08-24-c2d4f2eb.orig/src/ap/wpa_auth_glue.c
++++ hostapd-2017-08-24-c2d4f2eb/src/ap/wpa_auth_glue.c
 @@ -175,6 +175,7 @@ static void hostapd_wpa_auth_psk_failure
  	struct hostapd_data *hapd = ctx;
  	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
diff --git a/package/network/services/hostapd/src/src/ap/ubus.c b/package/network/services/hostapd/src/src/ap/ubus.c
index bc773930d4..beb4388f7c 100644
--- a/package/network/services/hostapd/src/src/ap/ubus.c
+++ b/package/network/services/hostapd/src/src/ap/ubus.c
@@ -743,18 +743,14 @@ int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_req
 
 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
 {
-	char mac[18];
-
 	if (!hapd->ubus.obj.has_subscribers)
 		return;
 
 	if (!addr)
 		return;
 
-	snprintf(mac, sizeof(mac), MACSTR, MAC2STR(addr));
-
 	blob_buf_init(&b, 0);
-	blobmsg_add_macaddr(&b, "address", mac);
+	blobmsg_add_macaddr(&b, "address", addr);
 
 	ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
 }