diff --git a/sdk/zksync.js/src/types.ts b/sdk/zksync.js/src/types.ts
index 76d2a3f00f..dd642ba498 100644
--- a/sdk/zksync.js/src/types.ts
+++ b/sdk/zksync.js/src/types.ts
@@ -102,12 +102,14 @@ export interface Signature {
 
 export type Ratio = [BigNumberish, BigNumberish];
 
+/// represents ratio between tokens themself
 export type TokenRatio = {
     type: 'Token';
     [token: string]: string | number;
     [token: number]: string | number;
 };
 
+/// represents ratio between lowest token denominations (wei, satoshi, etc.)
 export type WeiRatio = {
     type: 'Wei';
     [token: string]: BigNumberish;
diff --git a/sdk/zksync.js/src/wallet.ts b/sdk/zksync.js/src/wallet.ts
index 6aaaec68ed..7f3b48882e 100644
--- a/sdk/zksync.js/src/wallet.ts
+++ b/sdk/zksync.js/src/wallet.ts
@@ -470,12 +470,8 @@ export class Wallet {
             ratio = [order.ratio[sell], order.ratio[buy]];
         } else if (order.ratio.type == 'Token') {
             ratio = [
-                isNFT(sell)
-                    ? BigNumber.from(order.ratio[sell])
-                    : this.provider.tokenSet.parseToken(sell, order.ratio[sell].toString()),
-                isNFT(buy)
-                    ? BigNumber.from(order.ratio[buy])
-                    : this.provider.tokenSet.parseToken(buy, order.ratio[buy].toString())
+                this.provider.tokenSet.parseToken(sell, order.ratio[sell].toString()),
+                this.provider.tokenSet.parseToken(buy, order.ratio[buy].toString())
             ];
         }