diff --git a/circom_circuits/Mantle/generate_inputs_for_pol.py b/circom_circuits/Mantle/generate_inputs_for_pol.py
index db65f56..408146d 100755
--- a/circom_circuits/Mantle/generate_inputs_for_pol.py
+++ b/circom_circuits/Mantle/generate_inputs_for_pol.py
@@ -245,7 +245,7 @@ for i in range(25):
     else:
         secret_root = Compression([slot_secret_path[i],secret_root])
 sk = poseidon2_hash([F(256174383281726064679014503048630094),starting_slot,secret_root])
-pk = Compression([F(1296193216988918402894),sk])
+pk = poseidon2_hash([F(1296193216988918402894),sk])
 
 note_id = poseidon2_hash([F(65580641562429851895355409762135920462),tx_hash,output_number,value,pk])
 ticket = poseidon2_hash([F(13887241025832268),F(epoch_nonce),F(slot_number),note_id,sk])
diff --git a/circom_circuits/ledger/notes.circom b/circom_circuits/ledger/notes.circom
index 035b9b2..3d34fe2 100644
--- a/circom_circuits/ledger/notes.circom
+++ b/circom_circuits/ledger/notes.circom
@@ -3,7 +3,6 @@ pragma circom 2.1.9;
 
 include "../hash_bn/poseidon2_hash.circom";
 include "../misc/constants.circom";
-include "../hash_bn/poseidon2_perm.circom";
 
 template derive_secret_key(){
     signal input starting_slot;
@@ -23,7 +22,7 @@ template derive_public_key(){
     signal input secret_key;
     signal output out;
 
-    component hash = Compression();
+    component hash = Poseidon2_hash(2);
     component dst = NOMOS_KDF();
     hash.inp[0] <== dst.out;
     hash.inp[1] <== secret_key;