diff --git a/cmd/loki/main.go b/cmd/loki/main.go
index abea6d2751af5..73368fb43942e 100644
--- a/cmd/loki/main.go
+++ b/cmd/loki/main.go
@@ -27,7 +27,7 @@ func main() {
 
 	var config loki.Config
 	if err := cfg.Parse(&config); err != nil {
-		level.Error(util.Logger).Log("msg", "parsing config", "error", err)
+		fmt.Fprintf(os.Stderr, "failed parsing config: %v\n", err)
 		os.Exit(1)
 	}
 	if *printVersion {
diff --git a/pkg/loki/modules.go b/pkg/loki/modules.go
index 8b059fccee35d..cee38c635a49f 100644
--- a/pkg/loki/modules.go
+++ b/pkg/loki/modules.go
@@ -42,6 +42,15 @@ const (
 	All
 )
 
+func (m *moduleName) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	var val string
+	if err := unmarshal(&val); err != nil {
+		return err
+	}
+
+	return m.Set(val)
+}
+
 func (m moduleName) String() string {
 	switch m {
 	case Ring: