MacGui: copy the HBChapter index property when making a instance copy.

1 files changed, 2 insertions, 1 deletions

diff --git a/macosx/HBChapter.m b/macosx/HBChapter.m
index c5f0ab081..b3badef0c 100644
--- a/macosx/HBChapter.m
+++ b/macosx/HBChapter.m
@@ -55,8 +55,9 @@
     {
         copy->_title = [_title copy];
         copy->_duration = [_duration copy];
+        copy->_index = _index;
     }
-    
+
     return copy;
 }