From 6811bdec404fccb9dcf10e6802671317159b6533 Mon Sep 17 00:00:00 2001
From: Luke Autry <lukeautry@gmail.com>
Date: Wed, 31 Jan 2018 22:56:05 -0500
Subject: don't remove maker/zrx order from cache twice

---
 packages/0x.js/src/order_watcher/order_state_watcher.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/0x.js/src/order_watcher/order_state_watcher.ts b/packages/0x.js/src/order_watcher/order_state_watcher.ts
index 576be00c8..c425c98ee 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -133,8 +133,12 @@ export class OrderStateWatcher {
         delete this._orderStateByOrderHashCache[orderHash];
         const exchange = (this._orderFilledCancelledLazyStore as any)._exchange as ExchangeWrapper;
         const zrxTokenAddress = exchange.getZRXTokenAddress();
+        
         this._removeFromDependentOrderHashes(signedOrder.maker, zrxTokenAddress, orderHash);
-        this._removeFromDependentOrderHashes(signedOrder.maker, signedOrder.makerTokenAddress, orderHash);
+        if (zrxTokenAddress !== signedOrder.makerTokenAddress) {
+            this.removeFromDependentOrderHashes(signedOrder.maker, signedOrder.makerTokenAddress, orderHash);
+        }
+
         this._expirationWatcher.removeOrder(orderHash);
     }
     /**
-- 
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