diff --git a/modules/setting/ui.go b/modules/setting/ui.go
index 13cb0f5c66..9f1b1cd747 100644
--- a/modules/setting/ui.go
+++ b/modules/setting/ui.go
@@ -86,7 +86,7 @@ var UI = struct {
 	CodeCommentLines:        4,
 	ReactionMaxUserNum:      10,
 	MaxDisplayFileSize:      8388608,
-	DefaultTheme:            `gitea-auto`,
+	DefaultTheme:            `lored-dark`,
 	FileIconTheme:           `material`,
 	Reactions:               []string{`+1`, `-1`, `laugh`, `hooray`, `confused`, `heart`, `rocket`, `eyes`},
 	CustomEmojis:            []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`},