From 48c51ba1c4f27019ab5a57b35ba8c896658e791f Mon Sep 17 00:00:00 2001
From: Michael Kong <michaelkong@Michaels-MacBook-Pro.local>
Date: Tue, 24 Jul 2018 16:05:54 +0900
Subject: [PATCH] fixed required reassignment issue

---
 contracts/solidity/MultiSigWallet.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/solidity/MultiSigWallet.sol b/contracts/solidity/MultiSigWallet.sol
index 159b789d..7497f079 100644
--- a/contracts/solidity/MultiSigWallet.sol
+++ b/contracts/solidity/MultiSigWallet.sol
@@ -114,7 +114,7 @@ contract MultiSigWallet {
         ownerExists(msg.sender)
     {
         require(block.timestamp.sub(lastTransactionTime) >= recoveryModeTriggerTime && required > 1);
-        required.sub(1);
+        required = required.sub(1);
         lastTransactionTime = block.timestamp;
         emit RecoveryModeActivated();
     }