diff --git a/roles/custom/matrix-client-element/tasks/validate_config.yml b/roles/custom/matrix-client-element/tasks/validate_config.yml
index d9f5ecefc..f5ec6afd5 100644
--- a/roles/custom/matrix-client-element/tasks/validate_config.yml
+++ b/roles/custom/matrix-client-element/tasks/validate_config.yml
@@ -14,7 +14,7 @@
       You need to define at least one map tile server.
   when:
     - matrix_client_element_location_sharing | bool
-    - matrix_client_element_location_map_tile_servers == []
+    - matrix_client_element_location_map_tile_servers | length == 0
 
 - name: (Deprecation) Catch and report riot-web variables
   ansible.builtin.fail: