Index: boot/Makefile.silo
===================================================================
--- boot/Makefile.silo	(revision 336d2f520e09eb22615e1ef5eed791543683ae14)
+++ boot/Makefile.silo	(revision a31aad1de032df3487df160244932e93f86d2cab)
@@ -41,5 +41,5 @@
 
 $(POST_OUTPUT): build_dist
-	mkisofs -f -G $(ISOFS_B_IN) -B ... -r -o $@ $(DISTROOT)/
+	$(GENISOIMAGE) -f -G $(ISOFS_B_IN) -B ... -r -o $@ $(DISTROOT)/
 
 build_dist: clean
