diff --git a/src/bin/indexer.rs b/src/bin/indexer.rs
index 1667ac097..1f4139f1b 100644
--- a/src/bin/indexer.rs
+++ b/src/bin/indexer.rs
@@ -180,6 +180,8 @@ fn index_csv<R: io::Read>(
 fn compute_words_attributes_docids(wtxn: &mut heed::RwTxn, index: &Index) -> anyhow::Result<()> {
     eprintln!("Computing the attributes documents ids...");
 
+    let before = Instant::now();
+
     let fst = match index.fst(&wtxn)? {
         Some(fst) => fst.map_data(|s| s.to_vec())?,
         None => return Ok(()),
@@ -214,6 +216,8 @@ fn compute_words_attributes_docids(wtxn: &mut heed::RwTxn, index: &Index) -> any
         }
     }
 
+    eprintln!("Computing the attributes documents ids took {:.02?}.", before.elapsed());
+
     Ok(())
 }