diff --git a/main.py b/main.py
index d5b8ac9..7409df6 100644
--- a/main.py
+++ b/main.py
@@ -236,7 +236,7 @@ class LBI(discord.Client):
         # Content: {"module_name": {"module": imported module, "class": initialized class}}
         self.modules = {}
         self.config = config
-        self.config.init({"modules": ["modules", "errors"], "prefix": "%", "owners": []})
+        self.config.init({"modules": ["modules", "errors"], "prefix": "%", "admin_roles": [], "admin_users": []})
         self.load_modules()
 
     @modules_edit
diff --git a/modules/base/Base.py b/modules/base/Base.py
index 9fe5c24..ee99ece 100644
--- a/modules/base/Base.py
+++ b/modules/base/Base.py
@@ -51,28 +51,31 @@ class BaseClass:
                             inline=False)
         await channel.send(embed=embed)
 
-    async def auth(self, user: discord.User, role_list: List[int] = None, user_list: List[int] = None):
+    async def auth(self, user: discord.User, role_list: List[int] = None, user_list: List[int] = None,
+                   guild: int = None):
         """
         Return True if user is an owner of the bot or in authorized_users or he have a role in authorized_roles.
 
+        :param user: User to check
         :param user_list: List of authorized users, if not specified use self.authorized_users
         :param role_list: list of authorized roles, if not specified use self.authorized_roles
+        :param guild: Specific guild to search role
         :type user_list: List[Int]
         :type role_list: List[Int]
+        :type guild: Int
         :type user: discord.User
         """
-        if role_list is None:
-            role_list = self.config["authorized_roles"]
         if user_list is None:
-            user_list = self.config["authorized_users"]
-        if len(role_list) == 0 and len(user_list) == 0:
-            # Everyone can use this command
-            return True
-        if user.id in self.client.config["owners"]:
-            return True
+            user_list = self.config.authorized_users + self.client.config.admin_users
         if user.id in user_list:
             return True
-        for guild in self.client.guilds:
+        if role_list is None:
+            role_list = self.config.authorized_roles + self.client.config.admin_roles
+        if guild is None:
+            guilds = self.client.guilds
+        else:
+            guilds = [guild]
+        for guild in guilds:
             if guild.get_member(user.id):
                 for role_id in role_list:
                     if role_id in [r.id for r in guild.get_member(user.id).roles]: