diff --git a/controllers/default.py b/controllers/default.py
index f40a915c..e077ddf7 100755
--- a/controllers/default.py
+++ b/controllers/default.py
@@ -1076,7 +1076,9 @@ def donor_list():
     donor_rows = []
     max_groupby = 75  # The max number of sponsorships per username
     for r in db(
-        ((db.reservations.user_donor_hide == None) | (db.reservations.user_donor_hide == False)) &
+        # We can't do user_donor_hide == False as this is converted to IS NULL by web2py
+        # (bug?), so we do user_donor_hide != True
+        ((db.reservations.user_donor_hide == None) | (db.reservations.user_donor_hide != True)) &
         (db.reservations.verified_time != None) &
         (db.reservations.username != None)
     ).select(
diff --git a/modules/usernames.py b/modules/usernames.py
index 9b210174..ea83c390 100644
--- a/modules/usernames.py
+++ b/modules/usernames.py
@@ -115,8 +115,10 @@ def donor_name_for_username(username, include_hidden=False):
     else:
         query = (
             (db.reservations.username == username)
-            # Need to check both False (0) and None (NULL) in SQL
-            & ((db.reservations.user_donor_hide == False) | (db.reservations.user_donor_hide == None))
+            # Need to check both False (0) and None (NULL) in SQL. Note we can't do 
+            # user_donor_hide == False as this is converted to IS NULL by web2py
+            # (bug?), so we do user_donor_hide != True
+            & ((db.reservations.user_donor_hide == None) | (db.reservations.user_donor_hide != True))
         )
     for r in db(query).select(
         db.reservations.verified_donor_title,