diff --git a/src/ENSReferrals.sol b/src/ENSReferrals.sol
index 0b09009..f10dbd6 100644
--- a/src/ENSReferrals.sol
+++ b/src/ENSReferrals.sol
@@ -38,6 +38,7 @@ contract ENSReferrals is AxiomIncentives {
     /// @inheritdoc AxiomIncentives
     function _validateClaim(
         bytes32, // querySchema
+        address, // caller
         uint256, // startClaimId
         uint256, // endClaimId
         uint256 incentiveId,
@@ -50,6 +51,7 @@ contract ENSReferrals is AxiomIncentives {
     /// @inheritdoc AxiomIncentives
     function _sendClaimRewards(
         bytes32 querySchema,
+        address, // caller
         uint256 startClaimId,
         uint256 endClaimId,
         uint256 incentiveId,