diff --git a/contracts/interfaces/ILendingPool.sol b/contracts/interfaces/ILendingPool.sol
index d445579a..816655cb 100644
--- a/contracts/interfaces/ILendingPool.sol
+++ b/contracts/interfaces/ILendingPool.sol
@@ -5,7 +5,6 @@ pragma experimental ABIEncoderV2;
 import {ILendingPoolAddressesProvider} from './ILendingPoolAddressesProvider.sol';
 import {DataTypes} from '../protocol/libraries/types/DataTypes.sol';
 
-
 interface ILendingPool {
   /**
    * @dev Emitted on deposit()
@@ -241,7 +240,7 @@ interface ILendingPool {
     uint256 amount,
     uint256 rateMode,
     address onBehalfOf
-  ) external;
+  ) external returns (uint256);
 
   /**
    * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa
diff --git a/contracts/protocol/lendingpool/LendingPool.sol b/contracts/protocol/lendingpool/LendingPool.sol
index 525141a6..9b2fec20 100644
--- a/contracts/protocol/lendingpool/LendingPool.sol
+++ b/contracts/protocol/lendingpool/LendingPool.sol
@@ -235,7 +235,7 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
     uint256 amount,
     uint256 rateMode,
     address onBehalfOf
-  ) external override whenNotPaused {
+  ) external override whenNotPaused returns (uint256) {
     DataTypes.ReserveData storage reserve = _reserves[asset];
 
     (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(onBehalfOf, reserve);
@@ -281,6 +281,8 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
     IERC20(asset).safeTransferFrom(msg.sender, aToken, paybackAmount);
 
     emit Repay(asset, onBehalfOf, msg.sender, paybackAmount);
+
+    return paybackAmount;
   }
 
   /**