diff --git a/tests/test_fields.py b/tests/test_fields.py
index f8ec744b7..ec4470e38 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1,6 +1,7 @@
 import json
 import os
 import re
+import time
 
 import pytest
 import responses
@@ -770,6 +771,27 @@ def test_date():
     assert fields.DateField().convert_value_from_str('not a date') is None
 
 
+def test_date_anonymise(pub):
+    formdef = FormDef()
+    formdef.name = 'title'
+    formdef.fields = [fields.DateField(id='0', label='date', type='date')]
+    formdef.store()
+
+    formdata = formdef.data_class()()
+    formdata.just_created()
+    formdata.data = {'0': time.strptime('2023-03-28', '%Y-%m-%d')}
+    formdata.anonymise()
+    assert not formdata.data.get('0')
+
+    formdef.fields[0].anonymise = False
+    formdef.store()
+    formdata = formdef.data_class()()
+    formdata.just_created()
+    formdata.data = {'0': time.strptime('2023-03-28', '%Y-%m-%d')}
+    formdata.anonymise()
+    assert formdata.data.get('0') == time.strptime('2023-03-28', '%Y-%m-%d')
+
+
 def test_file_convert_from_anything():
     assert fields.FileField().convert_value_from_anything(None) is None
 
diff --git a/wcs/fields.py b/wcs/fields.py
index 903041e4a..408167854 100644
--- a/wcs/fields.py
+++ b/wcs/fields.py
@@ -1912,6 +1912,7 @@ class DateField(WidgetField):
             'maximum_date',
             'date_in_the_past',
             'date_can_be_today',
+            'anonymise',
         ]
 
     @classmethod