diff --git a/src/netbox_contract/forms.py b/src/netbox_contract/forms.py
index 822ce8e..ab05d48 100644
--- a/src/netbox_contract/forms.py
+++ b/src/netbox_contract/forms.py
@@ -2,7 +2,7 @@
 from django.contrib.contenttypes.models import ContentType
 import django_filters
 from netbox.forms import NetBoxModelForm, NetBoxModelFilterSetForm, NetBoxModelBulkEditForm, NetBoxModelImportForm
-from utilities.forms.fields import CommentField, CSVChoiceField, DynamicModelChoiceField, DynamicModelMultipleChoiceField, MultipleChoiceField, CSVModelChoiceField, SlugField, CSVContentTypeField
+from utilities.forms.fields import CommentField, CSVChoiceField, DynamicModelChoiceField, DynamicModelMultipleChoiceField, CSVModelChoiceField, SlugField, CSVContentTypeField
 from utilities.forms.widgets import DatePicker
 from extras.filters import TagFilter
 from circuits.models import Circuit
@@ -66,9 +66,9 @@ class ContractFilterSetForm(NetBoxModelFilterSetForm):
     internal_partie= forms.CharField(
         required=False
     )
-    status = MultipleChoiceField(
+    status = django_filters.MultipleChoiceFilter(
         choices=StatusChoices,
-        required= False
+        required=False
     )
     parent=DynamicModelChoiceField(
         queryset=Contract.objects.all(),
diff --git a/src/netbox_contract/models.py b/src/netbox_contract/models.py
index 33e0f2a..276ca86 100644
--- a/src/netbox_contract/models.py
+++ b/src/netbox_contract/models.py
@@ -35,6 +35,7 @@ class CurrencyChoices(ChoiceSet):
         (CURRENCY_USD, 'USD'),
         ('eur', 'EUR'),
         ('chf', 'CHF'),
+        ('pln', 'PLN'),
     ]
 
 class ServiceProvider(NetBoxModel):