diff --git a/app/routes/users.py b/app/routes/users.py
index f6fcc34..2716246 100644
--- a/app/routes/users.py
+++ b/app/routes/users.py
@@ -6,6 +6,7 @@ from flask import (
 from functools import wraps
 from secrets import compare_digest as compare_timesafe
 from wand.image import Image
+from wand.color import Color
 from wand.exceptions import WandException
 from ..auth import (
     digest, verify, create_session,
@@ -48,6 +49,8 @@ def validate_and_create_avatar(input_image, filename):
                     width=crop_size, height=crop_size)
 
             img.resize(256, 256)
+            img.background_color = Color('white')
+            img.alpha_channel = 'remove'
             img.format = 'webp'
             img.compression_quality = 85
             img.save(filename=filename)