diff --git a/rslib/src/sync/mod.rs b/rslib/src/sync/mod.rs
index 55a83af00..eae70a036 100644
--- a/rslib/src/sync/mod.rs
+++ b/rslib/src/sync/mod.rs
@@ -665,6 +665,7 @@ impl Collection {
                 kind: SyncErrorKind::Other,
             });
         }
+        db.execute_batch("update col set ls=mod")?;
         drop(db);
         // overwrite existing collection atomically
         out_file