diff --git a/wireless/wifictld/src/ubus.c b/wireless/wifictld/src/ubus.c
index 7898ae9..301081f 100644
--- a/wireless/wifictld/src/ubus.c
+++ b/wireless/wifictld/src/ubus.c
@@ -6,6 +6,7 @@
 #include "ubus_events.h"
 #include "ubus_service.h"
 
+#define UBUS_SOCKET "/var/run/ubus.sock"
 
 static struct ubus_context *ctx;
 
@@ -18,7 +19,7 @@ int wifictld_ubus_init()
 	int ret = 0;
 
 	// connect to ubus
-	ctx = ubus_connect(NULL);
+	ctx = ubus_connect(UBUS_SOCKET);
 	if (!ctx) {
 		log_error("Failed to connect to ubus");
 		return 1;
diff --git a/wireless/wifictld/src/ubus_events.c b/wireless/wifictld/src/ubus_events.c
index 3ae2774..a968457 100644
--- a/wireless/wifictld/src/ubus_events.c
+++ b/wireless/wifictld/src/ubus_events.c
@@ -11,8 +11,6 @@ bool client_probe_steering = true;
 // steering contains learning already
 bool client_probe_learning = false;
 
-static struct blob_buf b;
-
 
 // bind on every hostapd by receive all ubus registered services
 static void recieve_interfaces(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv);
@@ -34,10 +32,8 @@ struct ubus_subscriber sub = {
  */
 int wifictld_ubus_bind_events(struct ubus_context *ctx)
 {
-	int ret = 0;
-
 	// register subscriber on ubus
-	ret = ubus_register_subscriber(ctx, &sub);
+	int ret = ubus_register_subscriber(ctx, &sub);
 	if (ret) {
 		log_error("Error while registering subscriber: %s", ubus_strerror(ret));
 		ubus_free(ctx);
@@ -61,22 +57,29 @@ static void recieve_interfaces(struct ubus_context *ctx, struct ubus_object_data
 	if (lenpath < lenpre || strncmp(path_prefix, obj->path, lenpre) != 0) {
 		return;
 	}
+	char *path = malloc((lenpath+1) * sizeof(char));
+	strncpy(path, obj->path, lenpath);
+	path[lenpath] = '\0';
 
 	//change hostapd to wait for response
+	struct blob_buf b = {};
 	blob_buf_init(&b, 0);
 	blobmsg_add_u32(&b, str, 1);
 	ret = ubus_invoke(ctx, obj->id, str, b.head, NULL, NULL, 100);
+
+	blob_buf_free(&b);
+
 	if (ret) {
-		log_error("Error while register response for event '%s': %s\n", obj->path, ubus_strerror(ret));
+		log_error("Error while register response for event '%s': %s\n", path, ubus_strerror(ret));
 	}
 
 	//subscribe hostapd with THIS interface
 	ret = ubus_subscribe(ctx, &sub, obj->id);
 	if (ret) {
-		log_error("Error while register subscribe for event '%s': %s\n", obj->path, ubus_strerror(ret));
+		log_error("Error while register subscribe for event '%s': %s\n", path, ubus_strerror(ret));
 	}
 
-	log_info("subscribe %s: %d:%d\n", obj->path, obj->id, obj->type_id);
+	log_info("subscribe %s\n", path);
 }
 
 
diff --git a/wireless/wifictld/src/ubus_service.c b/wireless/wifictld/src/ubus_service.c
index bea8dfa..fe1a7d8 100644
--- a/wireless/wifictld/src/ubus_service.c
+++ b/wireless/wifictld/src/ubus_service.c
@@ -5,7 +5,7 @@
 #include "wifi_clients.h"
 #include "ubus_events.h"
 
-static struct blob_buf b;
+static struct blob_buf b = {};
 
 static int ubus_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
 		struct ubus_request_data *req, const char *method, struct blob_attr *msg)