diff --git a/listener.go b/listener.go
index 87545e4..7f16ab3 100644
--- a/listener.go
+++ b/listener.go
@@ -12,6 +12,7 @@ type SyncHandler struct {
 	devices     map[string]*_device
 	mutex       *sync.Mutex
 	chanForSync map[string]chan map[string]interface{}
+	states      map[string]map[string]interface{}
 }
 
 func compareMap(src map[string]interface{}, dst map[string]interface{}) bool {
@@ -69,6 +70,7 @@ func (sh *SyncHandler) Handle(e Event) {
 			origin[key] = value
 		}
 
+		sh.states[device.UUID] = origin
 		// props := []string{"fan", "light", "servo"}
 
 		err := encoder.Encode(origin)
@@ -90,7 +92,7 @@ func (sh *SyncHandler) Handle(e Event) {
 		sh.mutex.Unlock()
 
 		for state := range chanForSync {
-			if compareMap(origin, state) {
+			if compareMap(sh.states[device.UUID], state) {
 				sh.mutex.Lock()
 				close(sh.chanForSync[device.IfaceName])
 				delete(sh.chanForSync, device.IfaceName)
@@ -98,8 +100,8 @@ func (sh *SyncHandler) Handle(e Event) {
 				return
 			}
 			log.Println("wrong: ", state)
-			log.Println("resend: ", origin)
-			err := encoder.Encode(origin)
+			log.Println("resend: ", sh.states[device.UUID])
+			err := encoder.Encode(sh.states[device.UUID])
 			if err != nil {
 				return
 			}