From 048302625f61ee614bc15c8e84568a49315da63c Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Tue, 13 Jun 2017 17:26:08 +0200
Subject: Bind watch function on an event

---
 src/contract_wrappers/exchange_wrapper.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 659eff81c..a617d8003 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -563,7 +563,7 @@ export class ExchangeWrapper extends ContractWrapper {
     }
     private _wrapEventAsZeroExEvent(event: ContractEventObj): ZeroExEvent {
         const zeroExEvent = {
-            watch: event.watch,
+            watch: event.watch.bind(event),
             stopWatchingAsync: async () => {
                 await promisify(event.stopWatching, event)();
             },
-- 
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