diff --git a/contracts/constants/CDebtBridge.sol b/contracts/constants/CDebtBridge.sol
index bdccd1c..d68d3f1 100644
--- a/contracts/constants/CDebtBridge.sol
+++ b/contracts/constants/CDebtBridge.sol
@@ -5,5 +5,5 @@ function GAS_COSTS_FOR_FULL_REFINANCE() pure returns (uint256[4] memory) {
     return [uint256(2519000), 3140500, 3971000, 4345000];
 }
 
-uint256 constant VAT = 20;
+uint256 constant PREMIUM = 20;
 uint256 constant VAULT_CREATION_COST = 100000;
diff --git a/contracts/functions/gelato/FGelatoDebtBridge.sol b/contracts/functions/gelato/FGelatoDebtBridge.sol
index 6d5e201..822b5d9 100644
--- a/contracts/functions/gelato/FGelatoDebtBridge.sol
+++ b/contracts/functions/gelato/FGelatoDebtBridge.sol
@@ -9,7 +9,7 @@ import {
 } from "../../constants/CInstaDapp.sol";
 import {
     GAS_COSTS_FOR_FULL_REFINANCE,
-    VAT,
+    PREMIUM,
     VAULT_CREATION_COST
 } from "../../constants/CDebtBridge.sol";
 import {
@@ -81,7 +81,7 @@ function _getGasCostMakerToMaker(bool _newVault, uint256 _route)
 {
     _checkRouteIndex(_route);
     return
-        _getGasCostVAT(
+        _getGasCostPremium(
             _newVault
                 ? add(
                     GAS_COSTS_FOR_FULL_REFINANCE()[_route],
@@ -93,11 +93,11 @@ function _getGasCostMakerToMaker(bool _newVault, uint256 _route)
 
 function _getGasCostMakerToCompound(uint256 _route) pure returns (uint256) {
     _checkRouteIndex(_route);
-    return _getGasCostVAT(GAS_COSTS_FOR_FULL_REFINANCE()[_route]);
+    return _getGasCostPremium(GAS_COSTS_FOR_FULL_REFINANCE()[_route]);
 }
 
-function _getGasCostVAT(uint256 _rawGasCost) pure returns (uint256) {
-    return mul(_rawGasCost, add(100, VAT)) / 100;
+function _getGasCostPremium(uint256 _rawGasCost) pure returns (uint256) {
+    return mul(_rawGasCost, add(100, PREMIUM)) / 100;
 }
 
 function _getRealisedDebt(uint256 _debtToMove) pure returns (uint256) {
diff --git a/test/helpers/constants/GasConstant.js b/test/helpers/constants/GasConstant.js
index 83a0412..c82012e 100644
--- a/test/helpers/constants/GasConstant.js
+++ b/test/helpers/constants/GasConstant.js
@@ -1,6 +1,6 @@
 module.exports = async () => {
   return {
-    VAT: 20,
+    PREMIUM: 20,
     VAULT_CREATION_COST: 100000,
   };
 };
diff --git a/test/helpers/services/gelato/getGasCostForFullRefinance.js b/test/helpers/services/gelato/getGasCostForFullRefinance.js
index 8d5562e..0108a1d 100644
--- a/test/helpers/services/gelato/getGasCostForFullRefinance.js
+++ b/test/helpers/services/gelato/getGasCostForFullRefinance.js
@@ -21,6 +21,7 @@ module.exports = async function (route, withVaultCreation) {
   }
 
   return withVaultCreation
-    ? ((rawGasCost + gasCons.VAULT_CREATION_COST) * (100 + gasCons.VAT)) / 100
-    : (rawGasCost * (100 + gasCons.VAT)) / 100;
+    ? ((rawGasCost + gasCons.VAULT_CREATION_COST) * (100 + gasCons.PREMIUM)) /
+        100
+    : (rawGasCost * (100 + gasCons.PREMIUM)) / 100;
 };