diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-07-07/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-07-07/blob.json
index ef1305bc2872..771d503a1994 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-07-07/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-07-07/blob.json
@@ -8644,7 +8644,8 @@
           "type": "string"
         },
         "DenyEncryptionScopeOverride": {
-          "type": "boolean"
+          "type": "boolean",
+          "x-ms-client-name": "PreventEncryptionScopeOverride"
         }
       }
     },