diff --git a/admin/src/nextcloud_gencerts.sh b/admin/src/nextcloud_gencerts.sh
old mode 100644
new mode 100755
index 9abb234..4dac558
--- a/admin/src/nextcloud_gencerts.sh
+++ b/admin/src/nextcloud_gencerts.sh
@@ -1,4 +1,10 @@
 cd saml_certs
-openssl req  -nodes -new -x509  -keyout private.key -out public.cert
+C=CA
+L=Barcelona
+O=localdomain
+CN_CA=$O
+CN_HOST=*.$O
+OU=$O
+openssl req  -nodes -new -x509  -keyout private.key -out public.cert -subj "/C=$C/L=$L/O=$O/CN=$CN_CA"
 cd ..
 echo "Now run the python nextcloud script"
\ No newline at end of file