From 6af1e0923f5fc7fa2db0d11c1cdaaefb2cf3a7dc Mon Sep 17 00:00:00 2001
From: andyk <kyzia.ru@gmail.com>
Date: Tue, 15 Sep 2020 17:49:53 +0300
Subject: [PATCH] fix _incentivesController call in _transfer

---
 contracts/tokenization/ERC20.sol | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contracts/tokenization/ERC20.sol b/contracts/tokenization/ERC20.sol
index 24257c3e..d7d33ab9 100644
--- a/contracts/tokenization/ERC20.sol
+++ b/contracts/tokenization/ERC20.sol
@@ -180,7 +180,9 @@ contract ERC20 is Context, IERC20, IERC20Detailed {
     if (address(_incentivesController) != address(0)) {
       uint256 totalSupply = _totalSupply;
       _incentivesController.handleAction(sender, totalSupply, oldSenderBalance);
-      _incentivesController.handleAction(recipient, totalSupply, oldRecipientBalance);
+      if (sender != recipient) {
+        _incentivesController.handleAction(recipient, totalSupply, oldRecipientBalance);
+      }
     }
     emit Transfer(sender, recipient, amount);
   }