diff --git a/redbot/cogs/general/general.py b/redbot/cogs/general/general.py
index 89e64edee..a181c93fa 100644
--- a/redbot/cogs/general/general.py
+++ b/redbot/cogs/general/general.py
@@ -239,8 +239,10 @@ class General:
         name = " ~ ".join((name, user.nick)) if user.nick else name
 
         if user.avatar:
-            data.set_author(name=name, url=user.avatar_url)
-            data.set_thumbnail(url=user.avatar_url)
+            avatar = user.avatar_url
+            avatar = avatar.replace('webp', 'png')
+            data.set_author(name=name, url=avatar)
+            data.set_thumbnail(url=avatar)
         else:
             data.set_author(name=name)