diff --git a/pkg/pbutil/pbutil.go b/pkg/pbutil/pbutil.go
index 8f96b4d54..b618988c4 100644
--- a/pkg/pbutil/pbutil.go
+++ b/pkg/pbutil/pbutil.go
@@ -18,7 +18,7 @@ package pbutil
 import "github.com/coreos/pkg/capnslog"
 
 var (
-	plog = capnslog.NewPackageLogger("github.com/coreos/etcd/pkg", "flags")
+	plog = capnslog.NewPackageLogger("github.com/coreos/etcd/pkg", "pbutil")
 )
 
 type Marshaler interface {