diff --git a/rslib/src/scheduler/fsrs/retention.rs b/rslib/src/scheduler/fsrs/retention.rs
index c724709fb..4c21623bb 100644
--- a/rslib/src/scheduler/fsrs/retention.rs
+++ b/rslib/src/scheduler/fsrs/retention.rs
@@ -34,6 +34,7 @@ impl Collection {
                         .is_ok()
                 },
                 Some(cards),
+                None,
             )?
             .clamp(0.7, 0.95))
     }