diff --git a/specification/eventhub/resource-manager/Microsoft.EventHub/preview/2018-01-01-preview/Clusters-preview.json b/specification/eventhub/resource-manager/Microsoft.EventHub/preview/2018-01-01-preview/Clusters-preview.json
index d870c2bc4c16..548a7852cd5f 100644
--- a/specification/eventhub/resource-manager/Microsoft.EventHub/preview/2018-01-01-preview/Clusters-preview.json
+++ b/specification/eventhub/resource-manager/Microsoft.EventHub/preview/2018-01-01-preview/Clusters-preview.json
@@ -121,7 +121,7 @@
         "tags": [
           "EventHubs Clusters"
         ],
-        "operationId": "Clusters_Put",
+        "operationId": "Clusters_CreateOrUpdate",
         "x-ms-examples": {
           "ClusterPut": {
             "$ref": "./examples/Clusters/ClusterPut.json"
@@ -183,7 +183,7 @@
         "tags": [
           "EventHubs Clusters"
         ],
-        "operationId": "Clusters_Patch",
+        "operationId": "Clusters_Update",
         "x-ms-examples": {
           "ClusterPatch": {
             "$ref": "./examples/Clusters/ClusterPatch.json"