diff --git a/services.mail.yml b/services.mail.yml
index c322ffed83c7a0b466ddc56ee59bbcec67cb115c..f4061de674080fa286fc68e2dacb9995ab536244 100644
--- a/services.mail.yml
+++ b/services.mail.yml
@@ -125,6 +125,7 @@ noise:
         - /var/lib/mailman-noise: /data
       env:
         DOMAIN: "{{ domain }}"
+        APACHE_HOST: "noise.{{ domain }}"
         APACHE_PORT: 6897
         API_PORT: 6888
   public_endpoints:
@@ -160,6 +161,7 @@ mailman:
       env:
         DOMAIN: "{{ domain }}"
         SHARD_ID: "{{ shard_id | default('') }}"
+        APACHE_HOST: "{{ shard_id | default('') }}.mailman.{{ domain }}"
         APACHE_PORT: 8087
         API_PORT: 6088
       resources: