diff --git a/contracts/EthZetaMock.sol b/contracts/EthZetaMock.sol
index a85d39cb..7840a5ea 100644
--- a/contracts/EthZetaMock.sol
+++ b/contracts/EthZetaMock.sol
@@ -6,7 +6,7 @@ import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import "@openzeppelin/contracts/utils/Context.sol";
 
 contract ZetaEthMock is ERC20("Zeta", "ZETA") {
-    constructor(uint256 initialSupply) {
-        _mint(msg.sender, initialSupply * (10 ** uint256(decimals())));
+    constructor(address creator, uint256 initialSupply) {
+        _mint(creator, initialSupply * (10 ** uint256(decimals())));
     }
 }