X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fpart-combiner.scm;h=2f4d37a434b784cc231956aaae056cbc96688240;hb=533aa02038dcd4010f3d73a73db98514051521cc;hp=81c6e3685075ffcd7fce1be946ebcf7da1ee5830;hpb=8c00ef0a0eb95417f6db5056c0c03b7cfa2e7571;p=lilypond.git

diff --git a/scm/part-combiner.scm b/scm/part-combiner.scm
index 81c6e36850..2f4d37a434 100644
--- a/scm/part-combiner.scm
+++ b/scm/part-combiner.scm
@@ -230,8 +230,10 @@ Voice-state objects
     
     (set! (ly:music-property m 'elements) (list m1 m2))
     (set! (ly:music-property m 'split-list)
-	  (determine-split-list (reverse! (cdr (assoc "one" evs1)) '())
-				(reverse! (cdr (assoc "two" evs2)) '())))
+      (if (and (assoc "one" evs1) (assoc "two" evs2))
+  	  (determine-split-list (reverse! (cdr (assoc "one" evs1)) '())
+	  			(reverse! (cdr (assoc "two" evs2)) '()))
+	  '() ))
     m))
 
 (define-public (determine-split-list evl1 evl2)