diff --git a/cli.go b/cli.go
index 114d62f..19df22d 100644
--- a/cli.go
+++ b/cli.go
@@ -27,7 +27,7 @@ func init() {
 		devicesWithUUID:  devWithUUID,
 		devicesWithIface: devWithIface,
 		chanForSync:      chanForSync,
-		SyncListener:     &SyncHandler{devices: devWithUUID, chanForSync: chanForSync, mutex: &sync.Mutex{}},
+		SyncListener:     &SyncHandler{devices: devWithUUID, chanForSync: chanForSync, mutex: &sync.Mutex{}, states: map[string]map[string]interface{}{}},
 		RecvListener:     &RecvHandler{devices: devWithIface, chanForSync: chanForSync},
 	}