diff --git a/telethon/events/chataction.py b/telethon/events/chataction.py
index cbacba82..c6fcb374 100644
--- a/telethon/events/chataction.py
+++ b/telethon/events/chataction.py
@@ -1,6 +1,6 @@
 from .common import EventBuilder, EventCommon, name_inner_event
 from .. import utils
-from ..tl import types, functions
+from ..tl import types, functions, custom
 
 
 @name_inner_event
@@ -158,6 +158,12 @@ class ChatAction(EventBuilder):
             self.new_title = new_title
             self.unpin = unpin
 
+        def _set_client(self, client):
+            super()._set_client(client)
+            if self.action_message:
+                self.action_message = custom.Message(
+                    client, self.action_message, self._entities, None)
+
         def respond(self, *args, **kwargs):
             """
             Responds to the chat action message (not as a reply). Shorthand for
diff --git a/telethon/events/common.py b/telethon/events/common.py
index a7c5db91..e5ecd60f 100644
--- a/telethon/events/common.py
+++ b/telethon/events/common.py
@@ -103,6 +103,12 @@ class EventCommon(abc.ABC):
         )
         self.is_channel = isinstance(chat_peer, types.PeerChannel)
 
+    def _set_client(self, client):
+        """
+        Setter so subclasses can act accordingly when the client is set.
+        """
+        self._client = client
+
     def _get_entity(self, msg_id, entity_id, chat=None):
         """
         Helper function to call :tl:`GetMessages` on the give msg_id and
diff --git a/telethon/events/messageread.py b/telethon/events/messageread.py
index 16db40bb..3edd8a7f 100644
--- a/telethon/events/messageread.py
+++ b/telethon/events/messageread.py
@@ -100,16 +100,9 @@ class MessageRead(EventBuilder):
                 chat = self.input_chat
                 if not chat:
                     self._messages = []
-                elif isinstance(chat, types.InputPeerChannel):
-                    self._messages =\
-                        self._client(functions.channels.GetMessagesRequest(
-                            chat, self._message_ids
-                        )).messages
                 else:
-                    self._messages =\
-                        self._client(functions.messages.GetMessagesRequest(
-                            self._message_ids
-                        )).messages
+                    self._messages = self._client.get_messages(
+                        chat, ids=self._message_ids)
 
             return self._messages
 
diff --git a/telethon/events/newmessage.py b/telethon/events/newmessage.py
index 082c9737..09b27e7b 100644
--- a/telethon/events/newmessage.py
+++ b/telethon/events/newmessage.py
@@ -3,7 +3,7 @@ import re
 from .common import EventBuilder, EventCommon, name_inner_event
 from .. import utils
 from ..extensions import markdown
-from ..tl import types, functions
+from ..tl import types, functions, custom
 
 
 @name_inner_event
@@ -154,6 +154,11 @@ class NewMessage(EventBuilder):
             self.is_reply = bool(message.reply_to_msg_id)
             self._reply_message = None
 
+        def _set_client(self, client):
+            super()._set_client(client)
+            self.message = custom.Message(
+                client, self.message, self._entities, None)
+
         def respond(self, *args, **kwargs):
             """
             Responds to the message (not as a reply). Shorthand for
diff --git a/telethon/telegram_client.py b/telethon/telegram_client.py
index 38f45d40..2378c104 100644
--- a/telethon/telegram_client.py
+++ b/telethon/telegram_client.py
@@ -2416,7 +2416,7 @@ class TelegramClient(TelegramBareClient):
         for builder, callback in self._event_builders:
             event = builder.build(update)
             if event:
-                event._client = self
+                event._set_client(self)
                 event.original_update = update
                 try:
                     callback(event)