diff --git a/scripts/spokepool.ts b/scripts/spokepool.ts
index 4d4d1b056..2a8231d32 100644
--- a/scripts/spokepool.ts
+++ b/scripts/spokepool.ts
@@ -224,7 +224,7 @@ async function deposit(args: Record<string, number | string>, signer: Signer): P
     exclusiveRelayer ?? depositQuote.exclusiveRelayer,
     depositQuote.quoteTimestamp,
     Number(currentTime) + Number(fillDeadlineBuffer),
-    exclusivityDeadline ?? depositQuote.exclusivityDeadline,
+    isNaN(exclusivityDeadline) ? depositQuote.exclusivityDeadline : exclusivityDeadline,
     message
   );
   const { hash: transactionHash } = deposit;