diff --git a/packages/masternode-reward-shares-contract/schema/v1/masternode-reward-shares-documents.json b/packages/masternode-reward-shares-contract/schema/v1/masternode-reward-shares-documents.json
index ed364c1ea30..880a23978b4 100644
--- a/packages/masternode-reward-shares-contract/schema/v1/masternode-reward-shares-documents.json
+++ b/packages/masternode-reward-shares-contract/schema/v1/masternode-reward-shares-documents.json
@@ -14,6 +14,14 @@
           }
         ],
         "unique": true
+      },
+      {
+        "name": "ownerId",
+        "properties": [
+          {
+            "$ownerId": "asc"
+          }
+        ]
       }
     ],
     "properties": {