diff --git a/rpc/ws/subscription.go b/rpc/ws/subscription.go
index c1bebf6d..c209cdaf 100644
--- a/rpc/ws/subscription.go
+++ b/rpc/ws/subscription.go
@@ -61,4 +61,6 @@ func (s *Subscription) Unsubscribe() {
 
 func (s *Subscription) unsubscribe(err error) {
 	s.closeFunc(err)
+	close(s.stream)
+	close(s.err)
 }