From 96724422b59517b0307d746a71c8f609208a4317 Mon Sep 17 00:00:00 2001
From: emilio <emilio@ethlend.io>
Date: Wed, 6 Oct 2021 11:57:05 +0200
Subject: [PATCH] fix: fixed isolation mode condition

---
 contracts/protocol/libraries/logic/SupplyLogic.sol | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contracts/protocol/libraries/logic/SupplyLogic.sol b/contracts/protocol/libraries/logic/SupplyLogic.sol
index 267c985ac..a2723878d 100644
--- a/contracts/protocol/libraries/logic/SupplyLogic.sol
+++ b/contracts/protocol/libraries/logic/SupplyLogic.sol
@@ -68,7 +68,10 @@ library SupplyLogic {
 
     if (isFirstSupply) {
       (bool isolationModeActive, , ) = userConfig.getIsolationModeState(reserves, reservesList);
-      if (!isolationModeActive) {
+      if (
+        ((!isolationModeActive && (reserveCache.ReserveConfiguration.getDebtCeiling() == 0)) ||
+          !reserveCache.configuration.isUsingAsCollateralAny())
+      ) {
         userConfig.setUsingAsCollateral(reserve.id, true);
         emit ReserveUsedAsCollateralEnabled(params.asset, params.onBehalfOf);
       }