diff --git a/src/DCO2s.sol b/src/DCO2s.sol
index d564406..2ba21d9 100644
--- a/src/DCO2s.sol
+++ b/src/DCO2s.sol
@@ -11,7 +11,11 @@ contract DCO2s is ERC721, ERC721Enumerable, ERC721URIStorage, AccessControl {
     bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
     uint256 private _nextTokenId;
 
-    constructor(address defaultAdmin, address minter) ERC721("DCO2s", "DCO2") {
+    constructor(
+        address defaultAdmin,
+        address minter,
+        string memory name, string memory symbol)
+        ERC721(name, symbol) {
         _grantRole(DEFAULT_ADMIN_ROLE, defaultAdmin);
         _grantRole(MINTER_ROLE, minter);
     }