diff --git a/src/libraries/ConditionalOrderHashLib.sol b/src/libraries/ConditionalOrderHashLib.sol
index 67d4c771..73f2e0cf 100644
--- a/src/libraries/ConditionalOrderHashLib.sol
+++ b/src/libraries/ConditionalOrderHashLib.sol
@@ -66,7 +66,7 @@ library ConditionalOrderHashLib {
                 co.requireVerified,
                 co.trustedExecutor,
                 co.maxExecutorFee,
-                keccak256(abi.encode(hashedConditions))
+                keccak256(abi.encodePacked(hashedConditions))
             )
         );
     }