diff --git a/frontend/app/admin/clients/[id]/master-decks/page.tsx b/frontend/app/admin/clients/[id]/master-decks/page.tsx
index f4c64ee..def98b0 100644
--- a/frontend/app/admin/clients/[id]/master-decks/page.tsx
+++ b/frontend/app/admin/clients/[id]/master-decks/page.tsx
@@ -2,6 +2,7 @@
 
 import { useEffect, useState, useCallback, useRef, useMemo } from 'react';
 import { useParams } from 'next/navigation';
+import { apiUrl } from '@/lib/apiFetch';
 import { useDispatch, useSelector } from 'react-redux';
 import { AppDispatch, RootState } from '@/store/store';
 import {
@@ -404,7 +405,7 @@ function DeckCard({
           </button>
           {deck.thumbnail_path ? (
             <img
-              src={`/api/v1/admin/master-decks/${deck.id}/screenshot/${deck.thumbnail_path.split('/').pop()}`}
+              src={apiUrl(`/api/v1/admin/master-decks/${deck.id}/screenshot/${deck.thumbnail_path.split('/').pop()}`)}
               alt={deck.name}
               className="w-16 h-10 object-cover rounded border flex-shrink-0 bg-white"
               onError={(e) => {
@@ -611,7 +612,7 @@ function DeckCard({
                         >
                           {screenshotFilename ? (
                             <img
-                              src={`/api/v1/admin/master-decks/${deck.id}/screenshot/${screenshotFilename}`}
+                              src={apiUrl(`/api/v1/admin/master-decks/${deck.id}/screenshot/${screenshotFilename}`)}
                               alt={(layout.layout_name as string) || `Layout ${originalIndex + 1}`}
                               className="w-full h-24 object-cover rounded mb-2 bg-white"
                               loading="lazy"
diff --git a/frontend/app/admin/templates/[id]/page.tsx b/frontend/app/admin/templates/[id]/page.tsx
index e1fbf64..04baf02 100644
--- a/frontend/app/admin/templates/[id]/page.tsx
+++ b/frontend/app/admin/templates/[id]/page.tsx
@@ -1,7 +1,7 @@
 'use client';
 
 import { useEffect, useState, useCallback } from 'react';
-import { apiFetch } from '../../../../lib/apiFetch';
+import { apiFetch, apiUrl } from '../../../../lib/apiFetch';
 import { useParams } from 'next/navigation';
 import Link from 'next/link';
 import { Button } from '@/components/ui/button';
@@ -152,7 +152,7 @@ export default function TemplateDetailPage() {
               {layout.thumbnail_path ? (
                 <div className="aspect-video bg-gray-100 overflow-hidden">
                   <img
-                    src={`/api/v1/admin/master-decks/${templateId}/screenshot/${layout.thumbnail_path.split('/').pop()}`}
+                    src={apiUrl(`/api/v1/admin/master-decks/${templateId}/screenshot/${layout.thumbnail_path.split('/').pop()}`)}
                     alt={layout.layout_name}
                     className="w-full h-full object-cover"
                     onError={(e) => {