diff --git a/Makefile b/Makefile
index 6cf4daa..01437d7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
 fmt:
 	go fmt ./...
 .PHONY: fmt
+
+lint:
+	golangci-lint run -E goimports -E godot --timeout 10m
+.PHONY: lint
diff --git a/multicast.go b/multicast.go
index d9d700c..5499d54 100644
--- a/multicast.go
+++ b/multicast.go
@@ -78,7 +78,10 @@ func (b *PubSubMulticast) Pub(msg *Msg) error {
 	}
 	for _, sub := range matches {
 		sub.Chan <- err
-		b.UnSub(sub)
+		err = b.UnSub(sub)
+		if err != nil {
+			log.Error("unsub err", "err", err)
+		}
 	}
 
 	return err