1 files changed, 10 insertions, 8 deletions
diff --git a/macosx/HBAudio.m b/macosx/HBAudio.m
index 20862938c..1faae116e 100644
--- a/macosx/HBAudio.m
+++ b/macosx/HBAudio.m
@@ -244,16 +244,18 @@ NSString *HBAudioChangedNotification = @"HBAudioChangedNotification";
     if (copy)
     {
         copy->_container = _container;
-        copy->_sourceTracks = [_sourceTracks mutableCopy];
+        copy->_sourceTracks = [_sourceTracks copy];
 
         copy->_tracks = [[NSMutableArray alloc] init];
-        [_tracks enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
-            if (idx < _tracks.count)
-            {
-                id trackCopy = [obj copy];
-                [copy->_tracks addObject:trackCopy];
-            }
-        }];
+
+        for (HBAudioTrack *track in _tracks)
+        {
+            HBAudioTrack *trackCopy = [track copy];
+            [copy->_tracks addObject:trackCopy];
+
+            trackCopy.dataSource = copy;
+            trackCopy.delegate = copy;
+        }
 
         copy->_defaults = [_defaults copy];
     }