diff --git a/src/orders/types.ts b/src/orders/types.ts
index 87c036189..ef7d5a387 100644
--- a/src/orders/types.ts
+++ b/src/orders/types.ts
@@ -79,7 +79,7 @@ type Transaction = {
   function: string;
   chain: number;
   to: string;
-  value: number;
+  value: string;
   input_data:
     | {
         // For fulfillAdvancedOrder