diff --git a/core/management/commands/fix_twitter_avatars.py b/core/management/commands/fix_twitter_avatars.py
new file mode 100644
index 00000000..52051309
--- /dev/null
+++ b/core/management/commands/fix_twitter_avatars.py
@@ -0,0 +1,16 @@
+import string
+from django.core.management.base import BaseCommand
+from regluit.core.models import TWITTER
+
+from regluit.core import models
+
+class Command(BaseCommand):
+    help = "fix old twitter avatar urls"
+    
+    def handle(self, **options):
+        print "Number of users affected with : %s" % models.UserProfile.objects.filter( pic_url__contains='//si0.twimg.com').count()
+        
+        for profile in models.UserProfile.objects.filter(pic_url__contains='//si0.twimg.com'):
+            print "updating user %s" % profile.user 
+            profile.pic_url =  string.replace( profile.pic_url, '//si0.twimg.com','//pbs.twimg.com')
+            profile.save()