diff --git a/stats_collector/admin.py b/stats_collector/admin.py
index 1813e792..743269d2 100644
--- a/stats_collector/admin.py
+++ b/stats_collector/admin.py
@@ -281,7 +281,7 @@ class EventStatView(StatBaseView):
             city_ids.update(e_city_ids)
             city_ids.update(c_city_ids)
             theme_ids.update(e_theme_ids)
-            theme_ids.update(e_theme_ids)
+            theme_ids.update(c_theme_ids)
             tag_ids.update(e_tag_ids)
             tag_ids.update(c_tag_ids)
             for ids_set in [country_ids, city_ids, theme_ids, tag_ids]: