diff --git a/schemas/2020-04-01-preview/Microsoft.Synapse.json b/schemas/2020-04-01-preview/Microsoft.Synapse.json
index 62786ceb79..cd0859d8d9 100644
--- a/schemas/2020-04-01-preview/Microsoft.Synapse.json
+++ b/schemas/2020-04-01-preview/Microsoft.Synapse.json
@@ -94,7 +94,7 @@
         "sku": {
           "oneOf": [
             {
-              "$ref": "#/definitions/Sku"
+              "$ref": "#/definitions/SkuV3"
             },
             {
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
@@ -135,7 +135,7 @@
     }
   },
   "definitions": {
-    "Sku": {
+    "SkuV3": {
       "type": "object",
       "properties": {
         "name": {