diff --git a/test/unit/tokens/Datatoken.test.ts b/test/unit/tokens/Datatoken.test.ts
index 44afa068..419dc3ef 100644
--- a/test/unit/tokens/Datatoken.test.ts
+++ b/test/unit/tokens/Datatoken.test.ts
@@ -27,6 +27,7 @@ describe('Datatoken', () => {
   let datatokenAddress: string
   let fixedRateAddress: string
   let exchangeId: string
+  let freParams: FreCreationParams
 
   const nftData: NftCreateData = {
     name: 'NFTName',
@@ -37,17 +38,6 @@ describe('Datatoken', () => {
     owner: nftOwner
   }
 
-  const freParams: FreCreationParams = {
-    fixedRateAddress: contracts.fixedRateAddress,
-    baseTokenAddress: contracts.daiAddress,
-    owner: nftOwner,
-    marketFeeCollector: nftOwner,
-    baseTokenDecimals: 18,
-    datatokenDecimals: 18,
-    fixedRate: web3.utils.toWei('1'),
-    marketFee: '0'
-  }
-
   before(async () => {
     const accounts = await web3.eth.getAccounts()
     nftOwner = accounts[0]
@@ -57,12 +47,21 @@ describe('Datatoken', () => {
     erc20DeployerUser = accounts[4]
 
     nftData.owner = nftOwner
-    freParams.owner = nftOwner
-    freParams.marketFeeCollector = nftOwner
   })
 
   it('should deploy contracts', async () => {
     contracts = await deployContracts(web3, nftOwner)
+
+    freParams = {
+      fixedRateAddress: contracts.fixedRateAddress,
+      baseTokenAddress: contracts.daiAddress,
+      owner: nftOwner,
+      marketFeeCollector: nftOwner,
+      baseTokenDecimals: 18,
+      datatokenDecimals: 18,
+      fixedRate: web3.utils.toWei('1'),
+      marketFee: '0'
+    }
   })
 
   it('should initialize NFTFactory, nftDT and DT instances and create a new NFT', async () => {