diff --git a/cmd/containerd/main.go b/cmd/containerd/main.go
index d8ef983..27235ee 100644
--- a/cmd/containerd/main.go
+++ b/cmd/containerd/main.go
@@ -196,6 +196,7 @@ func serveGRPC(ctx gocontext.Context, server *grpc.Server, l net.Listener) {
 }
 
 func serveProfiler(ctx gocontext.Context, l net.Listener) {
+	defer l.Close()
 	if err := http.Serve(l, nil); err != nil {
 		log.G(ctx).WithError(err).Fatal("profiler server failure")
 	}