diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/loadBalancer.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/loadBalancer.json
index 9119efbdd954..e9ce60ac8315 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/loadBalancer.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/loadBalancer.json
@@ -1510,6 +1510,10 @@
           "$ref": "./network.json#/definitions/SubResource",
           "description": "Reference to an existing virtual network."
         },
+        "subnet": {
+          "$ref": "./network.json#/definitions/SubResource",
+          "description": "Reference to an existing subnet."
+        },
         "ipAddress": {
           "type": "string",
           "description": "IP Address belonging to the referenced virtual network.",