diff --git a/src/backoffice/views/schedules.py b/src/backoffice/views/schedules.py
index e993d94c9108f10a5ff2d566cad0253fce908ef8..9b140857417f06dfbcea6e0d03baaaa915a0e45b 100644
--- a/src/backoffice/views/schedules.py
+++ b/src/backoffice/views/schedules.py
@@ -128,7 +128,7 @@ class ScheduleSourceImportDetailView(ScheduleAdminMixin, DetailView):
         if data := ctx['object'].data:
             ctx['activity'] = sorted(
                 data.get('_activity', []),
-                key=lambda item: (action2sort.get(item["action"], 99), type2sort.get(item["type"], 99), item["source_id"]),
+                key=lambda item: (action2sort.get(item['action'], 99), type2sort.get(item['type'], 99), item['source_id']),
             )
         else:
             ctx['activity'] = None