diff --git a/contracts/data-segment/Proof.sol b/contracts/data-segment/Proof.sol
index c0fa830..f380491 100644
--- a/contracts/data-segment/Proof.sol
+++ b/contracts/data-segment/Proof.sol
@@ -9,6 +9,7 @@ import {Cid} from "./Cid.sol";
 import {ProofData, InclusionProof, InclusionVerifierData, InclusionAuxData, SegmentDesc, Fr32} from "./ProofTypes.sol";
 import {MarketAPI} from "@zondax/filecoin-solidity/contracts/v0.8/MarketAPI.sol";
 import {MarketTypes} from "@zondax/filecoin-solidity/contracts/v0.8/types/MarketTypes.sol";
+import {CommonTypes} from "@zondax/filecoin-solidity/contracts/v0.8/types/CommonTypes.sol";
 
 /**
  * @title Proof
@@ -102,8 +103,8 @@ contract Proof {
         MarketTypes.GetDealActivationReturn memory dealActivation = MarketAPI.getDealActivation(
             _dealId
         );
-        require(dealActivation.terminated <= 0, "Deal is terminated");
-        require(dealActivation.activated > 0, "Deal is not activated");
+        require(CommonTypes.ChainEpoch.unwrap(dealActivation.terminated) <= 0, "Deal is terminated");
+        require(CommonTypes.ChainEpoch.unwrap(dealActivation.activated) > 0, "Deal is not activated");
 
         MarketTypes.GetDealDataCommitmentReturn memory dealDataCommitment = MarketAPI
             .getDealDataCommitment(_dealId);