diff --git a/arch/i386/boot/Makefile b/arch/i386/boot/Makefile
index 33e55476381b..e97946626064 100644
--- a/arch/i386/boot/Makefile
+++ b/arch/i386/boot/Makefile
@@ -109,8 +109,13 @@ fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
 isoimage: $(BOOTIMAGE)
 	-rm -rf $(obj)/isoimage
 	mkdir $(obj)/isoimage
-	cp `echo /usr/lib*/syslinux/isolinux.bin | awk '{ print $1; }'` \
-		$(obj)/isoimage
+	for i in lib lib64 share end ; do \
+		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
+			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
+			break ; \
+		fi ; \
+		if [ $$i = end ] ; then exit 1 ; fi ; \
+	done
 	cp $(BOOTIMAGE) $(obj)/isoimage/linux
 	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
 	if [ -f '$(FDINITRD)' ] ; then \
diff --git a/arch/x86_64/boot/Makefile b/arch/x86_64/boot/Makefile
index 43ee6c50c277..deb063e7762d 100644
--- a/arch/x86_64/boot/Makefile
+++ b/arch/x86_64/boot/Makefile
@@ -107,8 +107,13 @@ fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
 isoimage: $(BOOTIMAGE)
 	-rm -rf $(obj)/isoimage
 	mkdir $(obj)/isoimage
-	cp `echo /usr/lib*/syslinux/isolinux.bin | awk '{ print $1; }'` \
-		$(obj)/isoimage
+	for i in lib lib64 share end ; do \
+		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
+			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
+			break ; \
+		fi ; \
+		if [ $$i = end ] ; then exit 1 ; fi ; \
+	done
 	cp $(BOOTIMAGE) $(obj)/isoimage/linux
 	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
 	if [ -f '$(FDINITRD)' ] ; then \