diff --git a/packages/ui/src/Layout/Header/SwitchTheme.tsx b/packages/ui/src/Layout/Header/SwitchTheme.tsx
index d69da10..44a47e0 100644
--- a/packages/ui/src/Layout/Header/SwitchTheme.tsx
+++ b/packages/ui/src/Layout/Header/SwitchTheme.tsx
@@ -9,7 +9,7 @@ import {
 
 export const THEMES = ["light", "dark"] as const
 export type Theme = (typeof THEMES)[number]
-export const THEME_DEFAULT = "dark" as Theme
+export const THEME_DEFAULT = "light" as Theme
 
 export interface ThemeProviderProps extends React.PropsWithChildren {}