diff --git a/crates/milli/src/vector/mod.rs b/crates/milli/src/vector/mod.rs
index f64223e41..3d77e78d7 100644
--- a/crates/milli/src/vector/mod.rs
+++ b/crates/milli/src/vector/mod.rs
@@ -485,6 +485,8 @@ impl ArroyWrapper {
         limit: usize,
         filter: Option<&RoaringBitmap>,
     ) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
+        println!("nns_by_vector: quantized={} {:?} limit={} filter={:?}",
+            self.quantized, vector, limit, filter);
         if self.quantized {
             self._nns_by_vector(rtxn, self.quantized_db(), vector, limit, filter)
         } else {
@@ -517,6 +519,8 @@ impl ArroyWrapper {
 
         results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
 
+        println!("nns_by_vector: results={:?}", results);
+
         Ok(results)
     }