diff --git a/discord/message.py b/discord/message.py
index 0bc9b6296..12783ea9a 100644
--- a/discord/message.py
+++ b/discord/message.py
@@ -1312,7 +1312,11 @@ class Message(Hashable):
             The newly edited message.
         """
 
-        previous_allowed_mentions = self._state.allowed_mentions
+        if content is not MISSING:
+            previous_allowed_mentions = self._state.allowed_mentions
+        else:
+            previous_allowed_mentions = None
+
         if suppress is not MISSING:
             flags = MessageFlags._from_value(self.flags.value)
             flags.suppress_embeds = suppress