diff --git a/Makefile b/Makefile
index 1f81cb05fc255bb4232c595f25c31eb474f08a3f..a64871608b60d53bd81d13ad5dac0bc2d6e32c50 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-DESTDIR = /usr/local/nagios/libexec/
+LIBEXECDIR = /usr/local/nagios/libexec/
 SCRIPTS = check_cups check_glsa check_saned check_lpd check_hddtemp \
 	check_link_status check_true check_lysrdiff check_syslog \
 	check_ping check_enodia_monitored check_hostextinfo
@@ -6,5 +6,11 @@ SCRIPTS = check_cups check_glsa check_saned check_lpd check_hddtemp \
 all:;
 
 install:
-	mkdir -p $(DESTDIR)
-	for s in $(SCRIPTS); do install $$s $(DESTDIR)/$$s || exit 1; done
+	mkdir -p $(DESTDIR)$(LIBEXECDIR)
+	for s in $(SCRIPTS); \
+	do install $$s $(DESTDIR)$(LIBEXECDIR)/$$s || exit 1; done
+
+	if [ -f src/lyskom/.lastos ] ; \
+	then (cd src/lyskom && $(MAKE) install) || exit 1 ; \
+	else true; \
+	fi