diff --git a/twoot.py b/twoot.py
index 8dfab80..624780c 100755
--- a/twoot.py
+++ b/twoot.py
@@ -256,7 +256,10 @@ def update_profile(nitter_url, soup, sql, mast_password):
         # Update profile on Mastodon
         # media.content, mime_type=media.headers['content-type']
         try:
-            mastodon.account_update_credentials(avatar=new_avatar_img, avatar_mime_type=new_avatar_mime, header=new_banner_img, header_mime_type=new_banner_mime)
+            if new_avatar_img is not None:
+                mastodon.account_update_credentials(avatar=new_avatar_img, avatar_mime_type=new_avatar_mime)
+            if new_banner_img is not None:
+                mastodon.account_update_credentials(header=new_banner_img, header_mime_type=new_banner_mime)
         except Exception as e:
             logging.error("Could not update profile")
             logging.error(e)