From 39385f9f4ec49642ec54ae6a1173b9164827d95a Mon Sep 17 00:00:00 2001
From: Doug Crescenzi <doug@crowdrouser.com>
Date: Fri, 8 Jun 2018 20:00:46 -0400
Subject: [PATCH] Addressed unchecked return value in AllowanceCrowdsale #945
 using SafeERC20 (#946)

* addressed unchecked return value in AllowanceCrowdsale #945 using SafeERC20
---
 contracts/crowdsale/emission/AllowanceCrowdsale.sol | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/contracts/crowdsale/emission/AllowanceCrowdsale.sol b/contracts/crowdsale/emission/AllowanceCrowdsale.sol
index a79716b32f1..b85b7d022d9 100644
--- a/contracts/crowdsale/emission/AllowanceCrowdsale.sol
+++ b/contracts/crowdsale/emission/AllowanceCrowdsale.sol
@@ -2,15 +2,16 @@ pragma solidity ^0.4.23;
 
 import "../Crowdsale.sol";
 import "../../token/ERC20/ERC20.sol";
+import "../../token/ERC20/ERC20Basic.sol";
+import "../../token/ERC20/SafeERC20.sol";
 import "../../math/SafeMath.sol";
-
-
 /**
  * @title AllowanceCrowdsale
  * @dev Extension of Crowdsale where tokens are held by a wallet, which approves an allowance to the crowdsale.
  */
 contract AllowanceCrowdsale is Crowdsale {
   using SafeMath for uint256;
+  using SafeERC20 for ERC20;
 
   address public tokenWallet;
 
@@ -42,6 +43,6 @@ contract AllowanceCrowdsale is Crowdsale {
   )
     internal
   {
-    token.transferFrom(tokenWallet, _beneficiary, _tokenAmount);
+    token.safeTransferFrom(tokenWallet, _beneficiary, _tokenAmount);
   }
 }