diff --git a/flamejam/forms.py b/flamejam/forms.py
index b0aa12d..b36aa6b 100644
--- a/flamejam/forms.py
+++ b/flamejam/forms.py
@@ -10,6 +10,7 @@
 import re
 from flamejam import app, models, utils
 from flamejam.models.rating import RATING_CATEGORIES
+from sqlalchemy import func
 
 ############## VALIDATORS ####################
 
@@ -57,7 +58,7 @@ def __init__(self, pw_field, message_username = "The username or password is inc
         self.message_password = message_password
 
     def __call__(self, form, field):
-        u = models.User.query.filter_by(username = field.data).first()
+        u = models.User.query.filter(func.lower(models.User.username) == func.lower(field.data)).first()
         if not u:
             raise ValidationError(self.message_username)
         elif not utils.verify_password(u.password, form[self.pw_field].data):