From 86d25393e9cf18856f0d237f9057a525836f555b Mon Sep 17 00:00:00 2001
From: The3D <emilio@aave.com>
Date: Fri, 23 Oct 2020 13:09:19 +0200
Subject: [PATCH] Add small optimization in _mintToTreasury

---
 contracts/libraries/logic/ReserveLogic.sol | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contracts/libraries/logic/ReserveLogic.sol b/contracts/libraries/logic/ReserveLogic.sol
index c253d6a9..ee6749da 100644
--- a/contracts/libraries/logic/ReserveLogic.sol
+++ b/contracts/libraries/logic/ReserveLogic.sol
@@ -359,7 +359,9 @@ library ReserveLogic {
 
     vars.amountToMint = vars.totalDebtAccrued.percentMul(vars.reserveFactor);
 
-    IAToken(reserve.aTokenAddress).mintToTreasury(vars.amountToMint, newLiquidityIndex);
+    if (vars.amountToMint != 0) {
+      IAToken(reserve.aTokenAddress).mintToTreasury(vars.amountToMint, newLiquidityIndex);
+    }
   }
 
   /**