diff --git a/packages/order-watcher/src/order_watcher/order_watcher.ts b/packages/order-watcher/src/order_watcher/order_watcher.ts
index 5834cf9b66..bf31c9c4da 100644
--- a/packages/order-watcher/src/order_watcher/order_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/order_watcher.ts
@@ -249,6 +249,7 @@ export class OrderWatcher {
           if (error.code === ethers.errors.INVALID_ARGUMENT) {
             return; // noop
           }
+          throw error;
         }
         const isLogDecoded = !_.isUndefined(((maybeDecodedLog as any) as LogWithDecodedArgs<ContractEventArgs>).event);
         if (!isLogDecoded) {