diff --git a/tests/service_link.bats b/tests/service_link.bats
index 6851928..57a32f3 100755
--- a/tests/service_link.bats
+++ b/tests/service_link.bats
@@ -75,3 +75,11 @@ teardown() {
   assert_contains "$url" "?pool=5"
   dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my_app
 }
+
+@test "($PLUGIN_COMMAND_PREFIX:link) uses a specified config url when alias is specified" {
+  dokku "$PLUGIN_COMMAND_PREFIX:link" l my_app --alias "ALIAS"
+  url=$(dokku config:get my_app ALIAS_URL)
+  password="$(cat "$PLUGIN_DATA_ROOT/l/PASSWORD")"
+  assert_contains "$url" "mongodb://l:$password@dokku-mongo-l:27017/l"
+  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my_app
+}