diff -Naur strongswan-4.1.11.orig/src/starter/Makefile.am strongswan-4.1.11/src/starter/Makefile.am
--- strongswan-4.1.11.orig/src/starter/Makefile.am	2008-03-29 20:40:34.000000000 +0100
+++ strongswan-4.1.11/src/starter/Makefile.am	2008-03-29 20:41:00.000000000 +0100
@@ -31,4 +31,4 @@
 		$(COMPILE) -c -o $@ $<
 
 install-exec-local :
-		test -e "$(DESTDIR)$(sysconfdir)/ipsec.conf" || $(INSTALL) ipsec.conf $(DESTDIR)$(sysconfdir)/ipsec.conf
+		test -e "$(DESTDIR)$(sysconfdir)/ipsec.conf" || $(INSTALL) -D ipsec.conf $(DESTDIR)$(sysconfdir)/ipsec.conf
diff -Naur strongswan-4.1.11.orig/src/starter/Makefile.in strongswan-4.1.11/src/starter/Makefile.in
--- strongswan-4.1.11.orig/src/starter/Makefile.in	2008-03-29 20:40:34.000000000 +0100
+++ strongswan-4.1.11/src/starter/Makefile.in	2008-03-29 20:40:52.000000000 +0100
@@ -628,7 +628,7 @@
 		$(COMPILE) -c -o $@ $<
 
 install-exec-local :
-		test -e "$(DESTDIR)$(sysconfdir)/ipsec.conf" || $(INSTALL) ipsec.conf $(DESTDIR)$(sysconfdir)/ipsec.conf
+		test -e "$(DESTDIR)$(sysconfdir)/ipsec.conf" || $(INSTALL) -D ipsec.conf $(DESTDIR)$(sysconfdir)/ipsec.conf
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: