Index: cmd.cpp
===================================================================
--- cmd.cpp	(Revision 3781)
+++ cmd.cpp	(Arbeitskopie)
@@ -405,7 +405,10 @@
       else
             f = Fraction::fromTicks(m->ticks() - s->rtick());
 printf("expand voice %s\n", qPrintable(f.print()));
-      addRest(_is.segment(), _is.track(), Duration(f), 0);
+      if (m->len() == f)
+          addRest(_is.segment(), _is.track(), Duration(Duration::V_MEASURE), 0);
+      else
+          addRest(_is.segment(), _is.track(), Duration(f), 0);
       }
 
 void Score::expandVoice()