diff --git a/InvenTree/stock/migrations/0109_add_additional_test_fields.py b/InvenTree/stock/migrations/0109_add_additional_test_fields.py
index aa2c12f489..002bb3b139 100644
--- a/InvenTree/stock/migrations/0109_add_additional_test_fields.py
+++ b/InvenTree/stock/migrations/0109_add_additional_test_fields.py
@@ -13,12 +13,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='stockitemtestresult',
             name='finished_datetime',
-            field=models.DateTimeField(blank=True, help_text='The timestamp of the test finish', verbose_name='Finished'),
+            field=models.DateTimeField(blank=True, help_text='The timestamp of the test finish', null=True, verbose_name='Finished'),
         ),
         migrations.AddField(
             model_name='stockitemtestresult',
             name='started_datetime',
-            field=models.DateTimeField(blank=True, help_text='The timestamp of the test start', verbose_name='Started'),
+            field=models.DateTimeField(blank=True, help_text='The timestamp of the test start', null=True, verbose_name='Started'),
         ),
         migrations.AddField(
             model_name='stockitemtestresult',