diff --git a/InvenTree/InvenTree/serializers.py b/InvenTree/InvenTree/serializers.py
index d527e0433a..98e03fdc0e 100644
--- a/InvenTree/InvenTree/serializers.py
+++ b/InvenTree/InvenTree/serializers.py
@@ -517,6 +517,7 @@ class DataFileExtractSerializer(serializers.Serializer):
         child=serializers.ListField(
             child=serializers.CharField(
                 allow_blank=True,
+                allow_null=True,
             ),
         )
     )