diff --git a/app/main.py b/app/main.py
index dc63ce8..43dd3eb 100644
--- a/app/main.py
+++ b/app/main.py
@@ -56,7 +56,7 @@ class Config:
         'PUBLIC_HOST_URL': 'download/',
         'PUBLIC_HOST_AUDIO_URL': 'audio_download/',
         'OUTPUT_TEMPLATE': '%(title)s.%(ext)s',
-        'OUTPUT_TEMPLATE_CHAPTER': '%(title)s - %(section_number)s %(section_title)s.%(ext)s',
+        'OUTPUT_TEMPLATE_CHAPTER': '%(title)s - %(section_number)02d - %(section_title)s.%(ext)s',
         'OUTPUT_TEMPLATE_PLAYLIST': '%(playlist_title)s/%(title)s.%(ext)s',
         'DEFAULT_OPTION_PLAYLIST_STRICT_MODE' : 'false',
         'DEFAULT_OPTION_PLAYLIST_ITEM_LIMIT' : '0',
@@ -261,7 +261,7 @@ async def add(request):
     if split_by_chapters is None:
         split_by_chapters = False
     if chapter_template is None:
-        chapter_template = '%(title)s - %(section_number)02d - %(section_title)s.%(ext)s'
+        chapter_template = config.OUTPUT_TEMPLATE_CHAPTER
 
     playlist_item_limit = int(playlist_item_limit)
 
diff --git a/app/ytdl.py b/app/ytdl.py
index f76e985..e88bcd5 100644
--- a/app/ytdl.py
+++ b/app/ytdl.py
@@ -462,7 +462,7 @@ class DownloadQueue:
             return {'status': 'ok'}
         return {'status': 'error', 'msg': f'Unsupported resource "{etype}"'}
 
-    async def add(self, url, quality, format, folder, custom_name_prefix, playlist_strict_mode, playlist_item_limit, auto_start=True, split_by_chapters=False, chapter_template='%(title)s - %(section_number)02d - %(section_title)s.%(ext)s', already=None):
+    async def add(self, url, quality, format, folder, custom_name_prefix, playlist_strict_mode, playlist_item_limit, auto_start=True, split_by_chapters=False, chapter_template=None, already=None):
         log.info(f'adding {url}: {quality=} {format=} {already=} {folder=} {custom_name_prefix=} {playlist_strict_mode=} {playlist_item_limit=} {auto_start=} {split_by_chapters=} {chapter_template=}')
         already = set() if already is None else already
         if url in already:
diff --git a/ui/src/app/app.ts b/ui/src/app/app.ts
index d8fdd89..7f7a959 100644
--- a/ui/src/app/app.ts
+++ b/ui/src/app/app.ts
@@ -106,7 +106,8 @@ export class App implements AfterViewInit, OnInit {
     this.quality = this.cookieService.get('metube_quality') || 'best';
     this.autoStart = this.cookieService.get('metube_auto_start') !== 'false';
     this.splitByChapters = this.cookieService.get('metube_split_chapters') === 'true';
-    this.chapterTemplate = this.cookieService.get('metube_chapter_template') || '%(title)s - %(section_number)02d - %(section_title)s.%(ext)s';
+    // Will be set from backend configuration, use empty string as placeholder
+    this.chapterTemplate = this.cookieService.get('metube_chapter_template') || '';
 
     this.activeTheme = this.getPreferredTheme(this.cookieService);
 
@@ -225,6 +226,10 @@ export class App implements AfterViewInit, OnInit {
         if (playlistItemLimit !== '0') {
           this.playlistItemLimit = playlistItemLimit;
         }
+        // Set chapter template from backend config if not already set by cookie
+        if (!this.chapterTemplate) {
+          this.chapterTemplate = config['OUTPUT_TEMPLATE_CHAPTER'];
+        }
       }
     });
   }
@@ -269,9 +274,9 @@ export class App implements AfterViewInit, OnInit {
   }
 
   chapterTemplateChanged() {
-    // Restore default if template is cleared
+    // Restore default if template is cleared - get from configuration
     if (!this.chapterTemplate || this.chapterTemplate.trim() === '') {
-      this.chapterTemplate = '%(title)s - %(section_number)02d - %(section_title)s.%(ext)s';
+      this.chapterTemplate = this.downloads.configuration['OUTPUT_TEMPLATE_CHAPTER'];
     }
     this.cookieService.set('metube_chapter_template', this.chapterTemplate, { expires: 3650 });
   }
diff --git a/ui/src/app/services/downloads.service.ts b/ui/src/app/services/downloads.service.ts
index 2590c7e..5a360f8 100644
--- a/ui/src/app/services/downloads.service.ts
+++ b/ui/src/app/services/downloads.service.ts
@@ -151,7 +151,7 @@ export class DownloadsService {
     const defaultPlaylistItemLimit = 0;
     const defaultAutoStart = true;
     const defaultSplitByChapters = false;
-    const defaultChapterTemplate = '%(title)s - %(section_number)02d - %(section_title)s.%(ext)s';
+    const defaultChapterTemplate = this.configuration['OUTPUT_TEMPLATE_CHAPTER'];
 
     return new Promise((resolve, reject) => {
       this.add(url, defaultQuality, defaultFormat, defaultFolder, defaultCustomNamePrefix, defaultPlaylistStrictMode, defaultPlaylistItemLimit, defaultAutoStart, defaultSplitByChapters, defaultChapterTemplate)