diff --git a/_traefik3_paths_labels.yml.jinja b/_traefik3_paths_labels.yml.jinja
index 67a843cb..d06e873d 100644
--- a/_traefik3_paths_labels.yml.jinja
+++ b/_traefik3_paths_labels.yml.jinja
@@ -233,9 +233,14 @@
         {%- endfor %}
       {%- endif %}
 
-      {#- Apply rule to the first element in domain_groups_list #}
-      {%- set first_domain_group = domain_groups_list[0] %}
-      traefik.tcp.routers.{{ key }}-database.rule: {{ domains_rule_sni(first_domain_group) }}
+      {%- set all_hosts = [] %}
+      {%- set ns = namespace(all_hosts=[]) %}
+      {%- for domain_group in domain_groups_list %}
+        {%- set ns.all_hosts = ns.all_hosts + domain_group.hosts %}
+      {%- endfor %}
+
+      traefik.tcp.routers.{{ key }}-database.rule: {{ domains_rule_sni(all_hosts) }}
+
       {#- Remember basic middlewares for this domain group #}
       {%- set _ns = namespace(basic_middlewares=[]) -%}
       {%- if cidr_whitelist %}