diff --git a/src/models/Config.ts b/src/models/Config.ts
index c32d17d8..c95c0e7b 100644
--- a/src/models/Config.ts
+++ b/src/models/Config.ts
@@ -95,7 +95,7 @@ export class Config {
    * DDOContractABI
    * @type {any}
    */
-  public MetadataContractABI?: AbiItem | AbiItem[]
+  public metadataContractABI?: AbiItem | AbiItem[]
   /**
    * Log level.
    * @type {boolean | LogLevel}