diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index b7ef46c66..c7416e240 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -1350,7 +1350,7 @@ matrix_cactus_comments_systemd_required_services_list: |
     +
     (['matrix-' + matrix_homeserver_implementation + '.service'])
   }}
-matrix_cactus_comments_homeserver_url: "{{ matrix_homeserver_url }}"
+matrix_cactus_comments_homeserver_url: "{{ matrix_homeserver_container_url }}"
 
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