diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index a923437ac..09abdf375 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -671,9 +671,9 @@ matrix_hookshot_container_http_host_bind_ports_defaultmapping:
   - "127.0.0.1:{{ matrix_hookshot_webhook_port }}:{{ matrix_hookshot_webhook_port }}"
   - "127.0.0.1:{{ matrix_hookshot_provisioning_port }}:{{ matrix_hookshot_provisioning_port }}"
 
-matrix_hookshot_container_http_host_bind_ports: matrix_hookshot_container_http_host_bind_ports_defaultmapping if matrix_nginx_proxy_enabled else []
+matrix_hookshot_container_http_host_bind_ports: "{{ matrix_hookshot_container_http_host_bind_ports_defaultmapping if matrix_nginx_proxy_enabled else [] }}"
 
-matrix_hookshot_provisioning_enabled: "{{ true if matrix_hookshot_provisioning_secret and matrix_dimension_enabled else false}}"
+matrix_hookshot_provisioning_enabled: "{{ true if matrix_hookshot_provisioning_secret and matrix_dimension_enabled else false }}"
 
 matrix_hookshot_proxy_metrics: "{{ matrix_nginx_proxy_proxy_synapse_metrics }}"
 matrix_hookshot_proxy_metrics_basic_auth_enabled: "{{ matrix_nginx_proxy_proxy_synapse_metrics_basic_auth_enabled }}"