diff --git a/src/backend/InvenTree/part/serializers.py b/src/backend/InvenTree/part/serializers.py
index 3b07ecd45f..df1a26e6a6 100644
--- a/src/backend/InvenTree/part/serializers.py
+++ b/src/backend/InvenTree/part/serializers.py
@@ -1273,7 +1273,7 @@ class PartStocktakeSerializer(
         if exclude_pk:
             self.fields.pop('pk', None)
 
-    quantity = serializers.FloatField()
+    quantity = InvenTree.serializers.InvenTreeDecimalField()
 
     cost_min = InvenTree.serializers.InvenTreeMoneySerializer(allow_null=True)
     cost_min_currency = InvenTree.serializers.InvenTreeCurrencySerializer()