diff --git a/contracts/kernel/IKernel.sol b/contracts/kernel/IKernel.sol
index 1686e7711..858538f37 100644
--- a/contracts/kernel/IKernel.sol
+++ b/contracts/kernel/IKernel.sol
@@ -6,6 +6,8 @@ pragma solidity ^0.4.24;
 
 import "../acl/IACL.sol";
 import "../common/IVaultRecoverable.sol";
+import "../apps/disputable/IAgreement.sol";
+import "../apps/disputable/IDisputable.sol";
 
 
 interface IKernelEvents {
@@ -15,6 +17,8 @@ interface IKernelEvents {
 
 // This should be an interface, but interfaces can't inherit yet :(
 contract IKernel is IKernelEvents, IVaultRecoverable {
+    function setAgreement(IDisputable _disputableApp, IAgreement _agreement) external;
+
     function acl() public view returns (IACL);
     function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool);