diff --git a/crates/kb-chunk/src/md_heading_v1.rs b/crates/kb-chunk/src/md_heading_v1.rs
index cf4c82a..7626ea5 100644
--- a/crates/kb-chunk/src/md_heading_v1.rs
+++ b/crates/kb-chunk/src/md_heading_v1.rs
@@ -355,6 +355,7 @@ fn build_chunk(
         source_spans,
         token_estimate,
         chunker_version: chunker_version.clone(),
+        policy_hash: policy_hash.to_string(),
     }
 }