diff --git a/main/utils.py b/main/utils.py
index bf5c1df..c8f22c7 100644
--- a/main/utils.py
+++ b/main/utils.py
@@ -1,4 +1,5 @@
 # coding: utf-8
+import datetime
 import re
 
 from subprocess import Popen, PIPE
@@ -59,3 +60,11 @@ def set_radius_password(username, raw_password):
     radius_user.value = passwd.radius_create(raw_password)
     radius_user.save()
     return True
+
+def format_krb5_date(date):
+    try:
+        formatted_date = datetime.datetime.strptime(date, '%a %b %d %H:%M:%S %Z %Y')
+        formatted_date = formatted_date.strftime('%Y-%m-%d %H:%M:%S')
+    except ValueError:
+        formatted_date = 'never'
+    return formatted_date
diff --git a/main/views.py b/main/views.py
index e7e1dc3..4471d1c 100644
--- a/main/views.py
+++ b/main/views.py
@@ -1,5 +1,4 @@
 # coding: utf-8
-import datetime
 import simplejson as json
 
 from django.http import HttpResponse, HttpResponseRedirect
@@ -51,10 +50,9 @@ def profile(request):
 def client_status(request):
     krb5_principal = utils.get_kerberos_principal(request.user)
     if krb5_principal:
-        last_succ_auth = datetime.datetime.strptime(krb5_principal['Last successful authentication'],
-                                           '%a %b %d %H:%M:%S %Z %Y')
+        last_succ_auth = utils.format_krb5_date(krb5_principal['last successful authentication'])
         status = { 'active' : True,
-                   'last_successful_auth' : last_succ_auth.strftime('%Y-%m-%d %H:%M:%S'),
+                   'last_successful_auth' : last_succ_auth,
                    'last_modified' : krb5_principal['Last modified'] }
     else:
         status = { 'active' : False }