diff --git a/helpdesk/forms.py b/helpdesk/forms.py
index 2fc4479f..f2c203f5 100644
--- a/helpdesk/forms.py
+++ b/helpdesk/forms.py
@@ -166,6 +166,7 @@ class AbstractTicketForm(CustomFieldMixin, forms.Form):
     due_date = forms.DateTimeField(
         widget=forms.TextInput(attrs={'class': 'form-control'}),
         required=False,
+        input_formats=['%d/%m/%Y', '%m/%d/%Y', "%d.%m.%Y", ],
         label=_('Due on'),
     )
 
@@ -287,6 +288,7 @@ class TicketForm(AbstractTicketForm):
         self.fields['assigned_to'].choices = [('', '--------')] + [(u.id, u.get_username()) for u in assignable_users]
         self._add_form_custom_fields()
 
+
     def save(self, user=None):
         """
         Writes and returns a Ticket() object
diff --git a/helpdesk/views/staff.py b/helpdesk/views/staff.py
index 8e956de3..bcb748b6 100644
--- a/helpdesk/views/staff.py
+++ b/helpdesk/views/staff.py
@@ -1012,7 +1012,8 @@ def datatables_ticket_list(request):
     serializers.py. The serializers and this view use django-rest_framework methods
     """
     try:
-        model_object = query_tickets_by_args(cache.get('ticket_qs'), '-date_created', **request.query_params)
+        objects = cache.get('ticket_qs')
+        model_object = query_tickets_by_args(objects, '-date_created', **request.query_params)
         serializer = TicketSerializer(model_object['items'], many=True)
         result = dict()
         result['data'] = serializer.data