diff --git a/schemas/json/evm-networks.json b/schemas/json/evm-networks.json
index 80370c4d57..632b89d4aa 100644
--- a/schemas/json/evm-networks.json
+++ b/schemas/json/evm-networks.json
@@ -42,7 +42,9 @@
                       "type": "string",
                       "pattern": "^0x[0-9a-fA-F]{40}$"
                     },
-                    "coingeckoId": { "type": "string" }
+                    "coingeckoId": { "type": "string" },
+                    "mirrorOf": { "type": "string" },
+                    "isDefault": { "type": "boolean" }
                   },
                   "required": ["symbol", "contractAddress"],
                   "additionalProperties": false