diff --git a/contracts/mocks/ERC165/ERC165MaliciousData.sol b/contracts/mocks/ERC165/ERC165MaliciousData.sol
index 40b6f9813..2446f3df2 100644
--- a/contracts/mocks/ERC165/ERC165MaliciousData.sol
+++ b/contracts/mocks/ERC165/ERC165MaliciousData.sol
@@ -3,7 +3,7 @@
 pragma solidity ^0.8.0;
 
 contract ERC165MaliciousData {
-    function supportsInterface(bytes4) public view returns (bool) {
+    function supportsInterface(bytes4) public pure returns (bool) {
         assembly {
             mstore(0, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
             return(0, 32)