diff --git a/pesign-obs-integration.changes b/pesign-obs-integration.changes
index 0294370..41b801d 100644
--- a/pesign-obs-integration.changes
+++ b/pesign-obs-integration.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep 16 17:08:36 CEST 2014 - mls@suse.de
+
+- fall back to project cert in the followup spec if it
+  exists
+
 -------------------------------------------------------------------
 Wed Sep  3 01:48:48 CEST 2014 - ro@suse.de
 
diff --git a/pesign-repackage.spec.in b/pesign-repackage.spec.in
index 0c1c6fc..c5b8367 100644
--- a/pesign-repackage.spec.in
+++ b/pesign-repackage.spec.in
@@ -90,6 +90,9 @@ cpio -idm <%_sourcedir/@NAME@.cpio.rsasign.sig
 cat >cert.crt <<EOF
 @CERT@
 EOF
+if test "$(wc -l <cert.crt)" -le 1 -a -s %_sourcedir/_projectcert.crt ; then
+	cp %_sourcedir/_projectcert.crt cert.crt
+fi
 if test "$(wc -l <cert.crt)" -gt 1; then
 	openssl x509 -inform PEM -in cert.crt -outform DER -out cert.x509
 	cert=cert.x509