diff --git a/src/balance-adapter.ts b/src/balance-adapter.ts
index 6bf3aee..9691136 100644
--- a/src/balance-adapter.ts
+++ b/src/balance-adapter.ts
@@ -30,7 +30,7 @@ export abstract class BalanceAdapter {
     this.tokens = tokens;
   }
 
-  public getToken<R extends BasicToken = BasicToken>(token: string): R {
+  public getToken<R extends BasicToken = BasicToken>(token: string, tokenId?: string): R {
     
     const tokenConfig = this.tokens[token.toUpperCase()];