diff --git a/aiogram/dispatcher/middlewares/user_context.py b/aiogram/dispatcher/middlewares/user_context.py
index 3531beb7..b1c90743 100644
--- a/aiogram/dispatcher/middlewares/user_context.py
+++ b/aiogram/dispatcher/middlewares/user_context.py
@@ -43,32 +43,21 @@ class UserContextMiddleware(BaseMiddleware):
         """
         Resolve chat and user instance from Update object
         """
-        if event.message:
-            return event.message.chat, event.message.from_user
-        if event.edited_message:
-            return event.edited_message.chat, event.edited_message.from_user
-        if event.channel_post:
-            return event.channel_post.chat, None
-        if event.edited_channel_post:
-            return event.edited_channel_post.chat, None
         if event.inline_query:
-            return None, event.inline_query.from_user
-        if event.chosen_inline_result:
-            return None, event.chosen_inline_result.from_user
-        if event.callback_query:
-            if event.callback_query.message:
+            if event.inlinee_query.message:
                 return event.callback_query.message.chat, event.callback_query.from_user
             return None, event.callback_query.from_user
-        if event.shipping_query:
-            return None, event.shipping_query.from_user
-        if event.pre_checkout_query:
-            return None, event.pre_checkout_query.from_user
-        if event.poll_answer:
-            return None, event.poll_answer.user
-        if event.my_chat_member:
-            return event.my_chat_member.chat, event.my_chat_member.from_user
-        if event.chat_member:
-            return event.chat_member.chat, event.chat_member.from_user
-        if event.chat_join_request:
-            return event.chat_join_request.chat, event.chat_join_request.from_user
-        return None, None
+
+        parametrs = (
+            'message', 'edited_message',
+            'channel_post', 'edited_channel_post',
+            'chosen_inline_result', 'callback_query',
+            'shipping_query', 'pre_checkout_query',
+            'poll_answer', 'my_chat_member',
+            'chat_member', 'chat_join_request',
+        )
+        for parametr in parametrs:
+            parametr = getattr(event, parametr, None)
+            if parametr:
+                break
+        return getattr(parametr, 'chat', None), getattr(parametr, 'from_user', None)