diff --git a/src/process.rs b/src/process.rs
index 3f330fa..c27542f 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -42,8 +42,9 @@ pub struct ProcessState {
 }
 
 impl ProcessState {
-    pub fn new(commited_in: OutPoint, clear_state: Pcd, public_data: Pcd, roles: Roles) -> anyhow::Result<Self> { 
-        let pcd_commitment = PcdCommitments::new(&commited_in, &clear_state, &public_data, &roles)?;
+    pub fn new(commited_in: OutPoint, private_data: Pcd, public_data: Pcd, roles: Roles) -> anyhow::Result<Self> { 
+        let all_attributes = Pcd::new(private_data.clone().into_iter().chain(public_data.clone()).collect());
+        let pcd_commitment = PcdCommitments::new(&commited_in, &all_attributes, &roles)?;
 
         let merkle_root = pcd_commitment.create_merkle_tree()?.root().ok_or(anyhow::Error::msg("Invalid merkle tree"))?;