diff --git a/telethon/tl/custom/message.py b/telethon/tl/custom/message.py
index 6f536727..df2b3221 100644
--- a/telethon/tl/custom/message.py
+++ b/telethon/tl/custom/message.py
@@ -268,9 +268,12 @@ class Message(ChatGetter, SenderGetter, TLObject, abc.ABC):
         The message text, formatted using the client's default
         parse mode. Will be ``None`` for :tl:`MessageService`.
         """
-        if self._text is None and self._client and self._client.parse_mode:
-            self._text = self._client.parse_mode.unparse(
-                self.message, self.entities)
+        if self._text is None and self._client:
+            if not self._client.parse_mode:
+                self._text = self.message
+            else:
+                self._text = self._client.parse_mode.unparse(
+                    self.message, self.entities)
 
         return self._text