diff --git a/src/app/(dashboard)/layout.tsx b/src/app/(dashboard)/layout.tsx
index 4f2ff30..27be959 100644
--- a/src/app/(dashboard)/layout.tsx
+++ b/src/app/(dashboard)/layout.tsx
@@ -17,7 +17,9 @@ export default async function DashboardLayout({
   let themePrefs: ThemePrefs = {};
   try {
     const { account } = await createSessionClient();
-    themePrefs = await account.getPrefs<ThemePrefs>();
+    const raw = await account.getPrefs<ThemePrefs>();
+    // getPrefs returns an Appwrite prototype object — must be a plain object for Server→Client prop
+    themePrefs = JSON.parse(JSON.stringify(raw)) as ThemePrefs;
   } catch {
     // use defaults if prefs unavailable
   }