diff --git a/nest/src/mocks/MockInvalidToken.sol b/nest/src/mocks/MockInvalidToken.sol
index 6050083..7587e50 100644
--- a/nest/src/mocks/MockInvalidToken.sol
+++ b/nest/src/mocks/MockInvalidToken.sol
@@ -1,4 +1,20 @@
-// Mock contract for testing invalid asset
-contract MockInvalidToken {
-// Deliberately missing functions to make it invalid
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.25;
+
+import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract MockInvalidToken is ERC20 {
+
+    constructor() ERC20("Invalid Token", "INVALID") {
+        _mint(msg.sender, 1_000_000 * 10 ** decimals());
+    }
+
+    function decimals() public pure override returns (uint8) {
+        return 12; // Different from USDC's 6 decimals
+    }
+
+    function mint(address to, uint256 amount) external {
+        _mint(to, amount);
+    }
+
 }