diff --git a/conf/Makefile.am b/conf/Makefile.am
index d7917664b..9d8674049 100644
--- a/conf/Makefile.am
+++ b/conf/Makefile.am
@@ -173,7 +173,7 @@ install-data-local: $(plugins_install_src)
 	test -e "$(DESTDIR)${strongswanconfdir}" || $(INSTALL) -d "$(DESTDIR)$(strongswanconfdir)" || true
 	test -e "$(DESTDIR)${strongswanddir}" || $(INSTALL) -d "$(DESTDIR)$(strongswanddir)" || true
 	test -e "$(DESTDIR)${charonconfdir}" || $(INSTALL) -d "$(DESTDIR)$(charonconfdir)" || true
-	test -e "$(DESTDIR)$(strongswanconfdir)/strongswan.conf" || $(INSTALL) -m 644 $(srcdir)/strongswan.conf $(DESTDIR)$(strongswanconfdir)/strongswan.conf || true
+	test -e "$(DESTDIR)$(strongswan_conf)" || $(INSTALL) -m 644 $(srcdir)/strongswan.conf $(DESTDIR)$(strongswan_conf) || true
 	for f in $(options_install_src); do \
 		name=`basename $$f`; \
 		test -f "$(DESTDIR)$(strongswanddir)/$$name" || $(INSTALL) -m 644 "$(srcdir)/$$f" "$(DESTDIR)$(strongswanddir)/$$name" || true; \