diff --git a/contracts/protocol/libraries/logic/ReserveLogic.sol b/contracts/protocol/libraries/logic/ReserveLogic.sol
index 0471147b..3ffe140a 100644
--- a/contracts/protocol/libraries/logic/ReserveLogic.sol
+++ b/contracts/protocol/libraries/logic/ReserveLogic.sol
@@ -150,7 +150,7 @@ library ReserveLogic {
     uint256 result = amountToLiquidityRatio.add(WadRayMath.ray());
 
     result = result.rayMul(reserve.liquidityIndex);
-    require(result < type(uint128).max, Errors.RL_LIQUIDITY_INDEX_OVERFLOW);
+    require(result <= type(uint128).max, Errors.RL_LIQUIDITY_INDEX_OVERFLOW);
 
     reserve.liquidityIndex = uint128(result);
   }