diff --git a/sdk/src/types/index.ts b/sdk/src/types/index.ts
index 51101f1..6f5d586 100644
--- a/sdk/src/types/index.ts
+++ b/sdk/src/types/index.ts
@@ -74,6 +74,7 @@ export interface Quote {
   buyAmount: BigNumberish;
   buyAmountDisplay: BigNumberish;
   buyAmountInEth: BigNumberish;
+  buyAmountMinusFees: BigNumberish;
   fee: BigNumberish;
   feeInEth: BigNumberish;
   feePercentageBasisPoints: number;