diff --git a/contracts/topos-core/CodeHash.sol b/contracts/topos-core/CodeHash.sol
index da20dd9..4b7d7aa 100644
--- a/contracts/topos-core/CodeHash.sol
+++ b/contracts/topos-core/CodeHash.sol
@@ -4,10 +4,10 @@ pragma solidity ^0.8.9;
 contract CodeHash {
     /// @notice gets the codehash of a contract address
     /// @param contractAddr a contract address
-    function getCodeHash(address contractAddr) public view returns (bytes32) {
+    function getCodeHash(address contractAddr) public view returns (bytes32 codeHash) {
         // does not fail with wallet addresses
         if (contractAddr.codehash.length != 0) {
-            return contractAddr.codehash;
+            codeHash =  contractAddr.codehash;
         }
     }
 }