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 771d503a1994..3e7b98767f16 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
@@ -9659,7 +9659,7 @@
     },
     "DenyEncryptionScopeOverride": {
       "name": "x-ms-deny-encryption-scope-override",
-      "x-ms-client-name": "DenyEncryptionScopeOverride",
+      "x-ms-client-name": "PreventEncryptionScopeOverride",
       "type": "boolean",
       "in": "header",
       "required": false,