X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fclef-engraver.cc;h=05c9420623b99047d49451c20528525bf0d32335;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=5d30ce07c23c0e27af418ef7c222120f16935e34;hpb=6d1c5d25389afa6dbbfb4722df3732e764cbbf2e;p=lilypond.git

diff --git a/lily/clef-engraver.cc b/lily/clef-engraver.cc
index 5d30ce07c2..05c9420623 100644
--- a/lily/clef-engraver.cc
+++ b/lily/clef-engraver.cc
@@ -191,12 +191,13 @@ Clef_engraver::stop_translation_timestep ()
 {
   if (clef_)
     {
-      SCM vis = 0;
       if (to_boolean (clef_->get_property ("non-default")))
-        vis = get_property ("explicitClefVisibility");
+        {
+          SCM vis = get_property ("explicitClefVisibility");
 
-      if (vis)
-        clef_->set_property ("break-visibility", vis);
+          if (scm_is_vector (vis))
+            clef_->set_property ("break-visibility", vis);
+        }
 
       clef_ = 0;