diff --git a/app.py b/app.py
index 0e3652a..33dedc0 100644
--- a/app.py
+++ b/app.py
@@ -679,6 +679,7 @@ def upload_workplaces():
         wp['id'] = f'p{offset}'
         offset += 1
     t['workplaces'] = existing + new_workplaces
+    t['workplace_filename'] = file.filename
 
     total = len(t['workplaces'])
     update_progress('완료', f'근무처 업로드 완료 (총 {total}개, 이번 {len(new_workplaces)}개)')
@@ -826,7 +827,11 @@ def export():
                 ws.append([w['name'], w['hope'], w['address'], w['dob'], w['phone']])
 
     elif export_type == 'assigned':
-        template_path = '선거참관인_배치_와꾸_.xlsx'
+        wp_filename = t.get('workplace_filename', '')
+        base = os.path.splitext(wp_filename)[0]
+        template_path = f'{base}_template.xlsx' if base else ''
+        if not template_path or not os.path.exists(template_path):
+            template_path = '선거참관인_배치_와꾸_.xlsx'
         if os.path.exists(template_path):
             wb = openpyxl.load_workbook(template_path)
             wp_workers = {}