diff --git a/src/commit.rs b/src/commit.rs
index 602c26b..6811a08 100644
--- a/src/commit.rs
+++ b/src/commit.rs
@@ -2,7 +2,9 @@ use std::str::FromStr;
 
 use anyhow::{Error, Result};
 
+use bitcoincore_rpc::bitcoin::hex::DisplayHex;
 use hex::FromHex;
+use sdk_common::pcd::Pcd;
 use sdk_common::silentpayments::create_transaction;
 use sdk_common::sp_client::spclient::Recipient;
 use sdk_common::network::CommitMessage;
@@ -63,11 +65,16 @@ fn handle_initial_transaction(tx: Transaction, commit_msg: &CommitMessage) -> Re
     //     return Err(Error::msg("Role commitment mismatch"));
     // }
 
+    let pcd_commitment = &commit_msg.pcd_commitment;
+
+    let merkle_root_bin = pcd_commitment.create_merkle_tree()?.root().unwrap();
+
     let mut new_process = Process::new(root_commitment);
     let init_state = ProcessState {
         commited_in: root_commitment,
         encrypted_pcd: roles_only_map,
         pcd_commitment: commit_msg.pcd_commitment.clone(),        
+        merkle_root: merkle_root_bin.to_lower_hex_string(),
         ..Default::default()
     };