X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fseparating-group-spanner.cc;h=2b31c9eee741ef566c7174af59dc4ff4137e86e1;hb=31653bf1d61a33ef8bc8c871d60c6b3452d04d28;hp=059afad994521fe15d33079eaf802d79ec5c9be0;hpb=9efbad2d9487a05b04423e7e9f062968e8f8eaf4;p=lilypond.git

diff --git a/lily/separating-group-spanner.cc b/lily/separating-group-spanner.cc
index 059afad994..2b31c9eee7 100644
--- a/lily/separating-group-spanner.cc
+++ b/lily/separating-group-spanner.cc
@@ -62,11 +62,10 @@ IMPLEMENT_IS_TYPE_B1(Separating_group_spanner, Spanner);
 void
 Separating_group_spanner::do_substitute_dependency (Score_element*o, Score_element*n)
 {
-  if (o->is_type_b (Single_malt_grouping_item::static_name ()))
+  if (dynamic_cast<Single_malt_grouping_item *> (o))
     {
-      Single_malt_grouping_item*ns = n ?
-	(Single_malt_grouping_item*)dynamic_cast <Item *> (n) : 0;
-      spacing_unit_l_arr_.substitute ((Single_malt_grouping_item*)dynamic_cast <Item *> (o), ns);
+      Single_malt_grouping_item*ns = dynamic_cast<Single_malt_grouping_item *> (n);
+      spacing_unit_l_arr_.substitute (dynamic_cast<Single_malt_grouping_item *> (o), ns);
     }
 }