diff --git a/app/views/admin/ruling_templates/_form.html.erb b/app/views/admin/ruling_templates/_form.html.erb
index e4430ed..85feaf7 100644
--- a/app/views/admin/ruling_templates/_form.html.erb
+++ b/app/views/admin/ruling_templates/_form.html.erb
@@ -36,7 +36,7 @@
<%= f.label :allow_domain, t("ruling_template.allow_domain"), :class => "control-label muted" %>
- <%= f.text_field :allow_domain, placeholder: 'example.com' %>
+ <%= f.text_field :allow_domain, placeholder: 'example.com', :value=>(f.object.allow_domain.class==Array ? f.object.allow_domain.join(",") : f.object.allow_domain) %>