diff --git a/rslib/src/scheduler/fsrs/memory_state.rs b/rslib/src/scheduler/fsrs/memory_state.rs
index a77aca5a6..4babb1122 100644
--- a/rslib/src/scheduler/fsrs/memory_state.rs
+++ b/rslib/src/scheduler/fsrs/memory_state.rs
@@ -112,7 +112,7 @@ impl Collection {
                     card.desired_retention = desired_retention;
                     card.decay = decay;
                     if let Some(item) = &item {
-                        card.set_memory_state(&fsrs, item, historical_retention.unwrap())?;
+                        card.set_memory_state(&fsrs, Some(item.clone()), historical_retention.unwrap())?;
                         // if rescheduling
                         if let Some(reviews) = &last_revlog_info {
                             // and we have a last review time for the card