diff --git a/specification/azsadmin/resource-manager/commerce/Microsoft.Commerce.Admin/preview/2015-06-01-preview/Commerce.json b/specification/azsadmin/resource-manager/commerce/Microsoft.Commerce.Admin/preview/2015-06-01-preview/Commerce.json
index c34915e2be14..890c3b5b8fda 100644
--- a/specification/azsadmin/resource-manager/commerce/Microsoft.Commerce.Admin/preview/2015-06-01-preview/Commerce.json
+++ b/specification/azsadmin/resource-manager/commerce/Microsoft.Commerce.Admin/preview/2015-06-01-preview/Commerce.json
@@ -198,7 +198,8 @@
         },
         "quantity": {
           "description": "The amount of the resource consumption that occurred in this time frame.",
-          "type": "string"
+          "type": "number",
+          "format": "double"
         },
         "meterId": {
           "description": "Unique ID for the resource that was consumed, for example, the Resource ID.",