diff --git a/commands/hugo.go b/commands/hugo.go
index 235f95f75..8d18b6252 100644
--- a/commands/hugo.go
+++ b/commands/hugo.go
@@ -109,7 +109,7 @@ func InitializeConfig() {
 	viper.SetDefault("CanonifyUrls", false)
 	viper.SetDefault("Indexes", map[string]string{"tag": "tags", "category": "categories"})
 	viper.SetDefault("Permalinks", make(hugolib.PermalinkOverrides, 0))
-	viper.SetDefault("Sitemap", hugolib.Sitemap{"", -1})
+	viper.SetDefault("Sitemap", hugolib.Sitemap{Priority: -1})
 
 	if hugoCmdV.PersistentFlags().Lookup("build-drafts").Changed {
 		viper.Set("BuildDrafts", Draft)