add an address typecast to this per issue #1457 (#1471)

OpenZeppelin · Nov 2, 2018 · 32bc7a6 · 32bc7a6
1 parent 1186520
commit 32bc7a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/contracts/drafts/TokenVesting.sol b/contracts/drafts/TokenVesting.sol
@@ -161,7 +161,7 @@ contract TokenVesting is Ownable {
    * @param token ERC20 token which is being vested
    */
   function _vestedAmount(IERC20 token) private view returns (uint256) {
-    uint256 currentBalance = token.balanceOf(this);
+    uint256 currentBalance = token.balanceOf(address(this));
     uint256 totalBalance = currentBalance.add(_released[token]);
 
     if (block.timestamp < _cliff) {