diff --git a/test/gas.js b/test/gas.js
index e266ad8..ad2ef6a 100644
--- a/test/gas.js
+++ b/test/gas.js
@@ -91,7 +91,7 @@ describe(`Wallet Operations Gas Usage`, function () {
     });
 
     const operationHash = helpers.getSha3ForConfirmationTx(
-      '17000',
+      '1',
       destinationAccount,
       amount,
       data,
diff --git a/test/walletFactory.js b/test/walletFactory.js
index 3ed7a14..a1f9741 100644
--- a/test/walletFactory.js
+++ b/test/walletFactory.js
@@ -97,7 +97,7 @@ describe('WalletFactory', function () {
     // Get the operation hash to be signed
     const expireTime = Math.floor(new Date().getTime() / 1000) + 60;
     const operationHash = helpers.getSha3ForConfirmationTx(
-      '17000',
+      '1',
       accounts[3].toLowerCase(),
       amount,
       '0x',
diff --git a/test/walletSimple.js b/test/walletSimple.js
index 0793e39..4190ba4 100644
--- a/test/walletSimple.js
+++ b/test/walletSimple.js
@@ -49,9 +49,9 @@ const SAFE_MODE_ACTIVATE_EVENT = 'SafeModeActivated';
 const coins = [
   {
     name: 'Eth',
-    nativePrefix: '17000',
-    nativeBatchPrefix: '17000-Batch',
-    tokenPrefix: '17000-ERC20',
+    nativePrefix: '1',
+    nativeBatchPrefix: '1-Batch',
+    tokenPrefix: '1-ERC20',
     WalletSimple: EthWalletSimple
   },
   {