diff --git a/roles/custom/matrix-element-call/defaults/main.yml b/roles/custom/matrix-element-call/defaults/main.yml
index 1b72ca0a1..f1ab26261 100644
--- a/roles/custom/matrix-element-call/defaults/main.yml
+++ b/roles/custom/matrix-element-call/defaults/main.yml
@@ -50,7 +50,7 @@ matrix_element_call_container_labels_traefik_enabled: true
 matrix_element_call_container_labels_traefik_docker_network: "{{ matrix_element_callcontainer_network }}"
 matrix_element_call_container_labels_traefik_hostname: "{{ matrix_element_call_domain }}"
 # The path prefix must either be `/` or not end with a slash (e.g. `/element`).
-matrix_element_call_container_labels_traefik_path_prefix: "{{ matrix_element_callpath_prefix }}"
+matrix_element_call_container_labels_traefik_path_prefix: "{{ matrix_element_call_path_prefix }}"
 matrix_element_call_container_labels_traefik_rule: "Host(`{{ matrix_element_call_container_labels_traefik_hostname }}`){% if matrix_element_call_container_labels_traefik_path_prefix != '/' %} && PathPrefix(`{{ matrix_element_call_container_labels_traefik_path_prefix }}`){% endif %}"
 matrix_element_call_container_labels_traefik_priority: 0
 matrix_element_call_container_labels_traefik_entrypoints: web-secure