diff --git a/contracts/zero-ex/contracts/src/external/TransformerDeployer.sol b/contracts/zero-ex/contracts/src/external/TransformerDeployer.sol
index 6e369e523d..5ef07219b2 100644
--- a/contracts/zero-ex/contracts/src/external/TransformerDeployer.sol
+++ b/contracts/zero-ex/contracts/src/external/TransformerDeployer.sol
@@ -48,9 +48,9 @@ contract TransformerDeployer is
     mapping (address => uint256) public toDeploymentNonce;
 
     /// @dev Create this contract and register authorities.
-    constructor(address[] memory authorities) public {
-        for (uint256 i = 0; i < authorities.length; ++i) {
-            _addAuthorizedAddress(authorities[i]);
+    constructor(address[] memory initialAuthorities) public {
+        for (uint256 i = 0; i < initialAuthorities.length; ++i) {
+            _addAuthorizedAddress(initialAuthorities[i]);
         }
     }