diff --git a/src/core/src/collection.rs b/src/core/src/collection.rs
index dfe25b1331..3beadd91af 100644
--- a/src/core/src/collection.rs
+++ b/src/core/src/collection.rs
@@ -409,7 +409,7 @@ mod test {
         // no sigs should remain
         assert_eq!(cl.len(), 6);
         for (_idx, rec) in cl.iter() {
-            eprintln!("record scaled is: {}", rec.scaled());
+            debug!("record scaled is: {}", rec.scaled());
             let this_sig = cl.sig_from_record(rec).unwrap();
             let this_mh = this_sig.minhash().unwrap();
             assert_eq!(this_mh.scaled(), 2000);