diff --git a/contracts/PreConfirmations.sol b/contracts/PreConfirmations.sol
index 9224f58..b4f7621 100644
--- a/contracts/PreConfirmations.sol
+++ b/contracts/PreConfirmations.sol
@@ -470,7 +470,7 @@ contract PreConfCommitmentStore is Ownable {
                 commitmentDigest,
                 bidSignature,
                 commitmentSignature,
-                block.number,
+                encryptedCommitment.blockCommitedAt,
                 sharedSecretKey
             );
         }