diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index c11a66ad8..fe8bf472b 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -1339,10 +1339,11 @@ matrix_cactus_comments_enabled: false
 
 matrix_cactus_comments_container_image_self_build: "{{ matrix_architecture not in ['amd64', 'arm32', 'arm64'] }}"
 
-matrix_synapse_app_service_config_files: |
-  {{
-    (['{{ matrix_cactus_comments_app_service_config_file }}'] if matrix_cactus_comments_enabled else [])
-  }}
+# Doesn't work as it must be in matrix container
+#matrix_synapse_app_service_config_files: |
+#  {{
+#    ([ matrix_cactus_comments_app_service_config_file ] if matrix_cactus_comments_enabled else [])
+#  }}
 
 # Normally, matrix-nginx-proxy is enabled and nginx can reach cactus-comments over the container network.
 # If matrix-nginx-proxy is not enabled, or you otherwise have a need for it, you can expose