release: 1.1.1

[lilypond.git] / lily / vertical-align-engraver.cc

diff --git a/lily/vertical-align-engraver.cc b/lily/vertical-align-engraver.cc
index 2f56e3b7b3e013f9f3d07dba16b87f0a03e0acb0..a270ad7a9f7b248045a483baf937ad3fa89ff471 100644 (file)
--- a/lily/vertical-align-engraver.cc
+++ b/lily/vertical-align-engraver.cc
@@ -48,7 +48,7 @@ void
 Vertical_align_engraver::acknowledge_element (Score_element_info i)
 {
   if (i.origin_grav_l_arr_.size() == 1 && 
-      i.elem_l_->is_type_b (Vertical_group_spanner::static_name()) &&
+      dynamic_cast<Vertical_group_spanner *> (i.elem_l_) &&
       !i.elem_l_->axis_group_l_a_[Y_AXIS]) 
     {
       assert (!valign_p_->contains_b (i.elem_l_));