diff --git a/olgram/settings.py b/olgram/settings.py
index 374368a..b107075 100644
--- a/olgram/settings.py
+++ b/olgram/settings.py
@@ -35,7 +35,8 @@ class OlgramSettings(AbstractSettings):
     @classmethod
     @lru_cache
     def admin_id(cls):
-        return cls._get_env("ADMIN_ID", True)
+        _id = cls._get_env("ADMIN_ID", True)
+        return int(_id) if _id else None
 
 
 class ServerSettings(AbstractSettings):