diff --git a/import_users.py b/import_users.py
index b05740e..914a614 100755
--- a/import_users.py
+++ b/import_users.py
@@ -11,6 +11,11 @@ if __name__ == '__main__':
     conn = get_conn()
     uids = input('Please input user ids split by spaces: ')
     for uid in uids.split():
+        try:
+            uid = int(uid)
+        except (ValueError, TypeError):
+            pass
+
         conn.root.subscribers[uid] = Subscriber.from_chat(bot.get_chat(uid))
     commit()
     conn.close()