diff --git a/ietf/person/utils.py b/ietf/person/utils.py
index 5c97eda42ed..eb2742ed304 100755
--- a/ietf/person/utils.py
+++ b/ietf/person/utils.py
@@ -249,11 +249,11 @@ def get_dots(person):
         return dots
 
 def lookup_persons(email_or_name):
-    aliases = Alias.objects.filter(name=email_or_name)
+    aliases = Alias.objects.filter(name__iexact=email_or_name)
     persons = set(a.person for a in aliases)
 
     if '@' in email_or_name:
-        emails = Email.objects.filter(address=email_or_name)
+        emails = Email.objects.filter(address__iexact=email_or_name)
         persons.update(e.person for e in emails)
 
     persons = [p for p in persons if p and p.id]