diff --git a/pkg/signer/preconfencryptor/encryptor.go b/pkg/signer/preconfencryptor/encryptor.go
index b1987a3..e88a27a 100644
--- a/pkg/signer/preconfencryptor/encryptor.go
+++ b/pkg/signer/preconfencryptor/encryptor.go
@@ -123,8 +123,6 @@ func (e *encryptor) ConstructEncryptedPreConfirmation(bid *preconfpb.Bid) (*prec
 
 	preConfirmation := &preconfpb.PreConfirmation{
 		Bid:             bid,
-		Digest:          bid.Digest,
-		Signature:       bid.Signature,
 		SharedSecret:    sharedSecredProviderSk,
 		ProviderAddress: providerKK.GetAddress().Bytes(),
 	}
@@ -143,6 +141,9 @@ func (e *encryptor) ConstructEncryptedPreConfirmation(bid *preconfpb.Bid) (*prec
 		sig[64] += 27 // Transform V from 0/1 to 27/28
 	}
 
+	preConfirmation.Digest = preConfirmationHash
+	preConfirmation.Signature = sig
+
 	return preConfirmation, &preconfpb.EncryptedPreConfirmation{
 		Commitment: preConfirmationHash,
 		Signature:  sig,