--- a/components/openstack/keystone/Makefile	Tue Dec 09 18:47:43 2014 +0100
+++ b/components/openstack/keystone/Makefile	Tue Dec 09 11:43:38 2014 -0800
@@ -32,6 +32,7 @@
 COMPONENT_ARCHIVE_HASH=	\
     sha256:0d27a32c6c211706f8b13aafe2fd51c7ddbea97897be90663fd8c2527ef56032
 COMPONENT_ARCHIVE_URL=	http://launchpad.net/$(COMPONENT_NAME)/$(COMPONENT_CODENAME)/$(COMPONENT_VERSION)/+download/$(COMPONENT_ARCHIVE)
+COMPONENT_SIG_URL=	$(COMPONENT_ARCHIVE_URL).asc
 COMPONENT_PROJECT_URL=	http://www.openstack.org/
 COMPONENT_BUGDB=	service/keystone
 IPS_COMPONENT_VERSION=	0.$(COMPONENT_VERSION)