X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbeam-quanting.cc;h=f8a9434e7eab4f34d0d418ac75b245178346e4f7;hb=8335103e9c19b697f89d6bc5e33f3b27daf706e0;hp=05fa591d7d2ba51986cf1ed53de4e9d5c51bf680;hpb=a1209c204e0d48d1f8cacecc9e928796102ab99a;p=lilypond.git

diff --git a/lily/beam-quanting.cc b/lily/beam-quanting.cc
index 05fa591d7d..f8a9434e7e 100644
--- a/lily/beam-quanting.cc
+++ b/lily/beam-quanting.cc
@@ -208,7 +208,7 @@ void Beam_scoring_problem::init_collisions (vector<Grob*> grobs)
     while (flip (&d) != LEFT);
 
     Grob* stem = unsmob_grob (grobs[i]->get_object ("stem"));
-    if (stem && Stem::has_interface (stem))
+    if (stem && Stem::has_interface (stem) && Stem::is_normal_stem (stem))
       {
         stems.insert (stem);
       }