diff --git a/backend/open_webui/routers/chats.py b/backend/open_webui/routers/chats.py
index 2a4e8ca033..d91d5c39ba 100644
--- a/backend/open_webui/routers/chats.py
+++ b/backend/open_webui/routers/chats.py
@@ -864,6 +864,9 @@ async def import_chats(
 
     try:
         chats = await Chats.import_chats(user.id, form_data.chats, db=db)
+        await Tags.ensure_tags_exist(
+            list({tag_id for chat in chats for tag_id in (chat.meta or {}).get('tags', [])}), user.id, db=db
+        )
         await publish_event(
             request,
             EVENTS.CHAT_IMPORTED,