diff --git a/src/core/musichoard/musichoard.rs b/src/core/musichoard/musichoard.rs
index e79563a..2ce1651 100644
--- a/src/core/musichoard/musichoard.rs
+++ b/src/core/musichoard/musichoard.rs
@@ -220,6 +220,8 @@ impl<LIB, DB: IDatabase> MusicHoard<LIB, DB> {
         Self::sort_albums_and_tracks(self.collection.iter_mut());
 
         self.merge_collections();
+        self.pre_commit = self.collection.clone();
+
         Ok(())
     }
 
@@ -398,7 +400,9 @@ mod tests {
         let artist_id = ArtistId::new("an artist");
         let artist_id_2 = ArtistId::new("another artist");
 
-        let with_artist = vec![Artist::new(artist_id.clone())];
+        let collection = FULL_COLLECTION.to_owned();
+        let mut with_artist = collection.clone();
+        with_artist.push(Artist::new(artist_id.clone()));
 
         let mut database = MockIDatabase::new();
         let mut seq = Sequence::new();
@@ -407,7 +411,7 @@ mod tests {
             .times(1)
             .times(1)
             .in_sequence(&mut seq)
-            .returning(|| Ok(vec![]));
+            .returning(|| Ok(FULL_COLLECTION.to_owned()));
         database
             .expect_save()
             .times(1)
@@ -418,10 +422,11 @@ mod tests {
             .expect_save()
             .times(1)
             .in_sequence(&mut seq)
-            .with(predicate::eq(vec![]))
+            .with(predicate::eq(collection.clone()))
             .returning(|_| Ok(()));
 
         let mut music_hoard = MusicHoard::database(database).unwrap();
+        assert_eq!(music_hoard.collection, collection);
 
         assert!(music_hoard.add_artist(artist_id.clone()).is_ok());
         assert_eq!(music_hoard.collection, with_artist);
@@ -433,7 +438,7 @@ mod tests {
         assert_eq!(music_hoard.collection, with_artist);
 
         assert!(music_hoard.remove_artist(&artist_id).is_ok());
-        assert_eq!(music_hoard.collection, vec![]);
+        assert_eq!(music_hoard.collection, collection);
     }
 
     #[test]