diff --git a/release_pkg.sh b/release_pkg.sh
index ff09301..6248d5a 100755
--- a/release_pkg.sh
+++ b/release_pkg.sh
@@ -18,7 +18,7 @@ download_certs() {
         if [ -n "$trust" ] ; then
             args+=" -addtrust ${trust}"
         fi
-        bao read -field=certificate "${ca}/issuer/${uuid}" | openssl x509 -out "${subdir}/${name}.pem" -setalias "${uuid}" ${args}
+        bao read -field=certificate "${ca}/issuer/${uuid}" | openssl x509 -out "${subdir}/${ca}-${name}.pem" -setalias "${uuid}" ${args}
     done
 }