diff --git a/InvenTree/part/serializers.py b/InvenTree/part/serializers.py
index d924b6002d..1842f9003d 100644
--- a/InvenTree/part/serializers.py
+++ b/InvenTree/part/serializers.py
@@ -508,6 +508,8 @@ class PartSerializer(RemoteImageMixin, InvenTreeModelSerializer):
 class PartStocktakeSerializer(InvenTreeModelSerializer):
     """Serializer for the PartStocktake model"""
 
+    quantity = serializers.FloatField()
+
     class Meta:
         """Metaclass options"""