diff --git a/roles/matrix-base/defaults/main.yml b/roles/matrix-base/defaults/main.yml
index b3aa3a750..056b2694b 100644
--- a/roles/matrix-base/defaults/main.yml
+++ b/roles/matrix-base/defaults/main.yml
@@ -246,11 +246,11 @@ matrix_well_known_matrix_support_configuration_default: "{{ lookup('template', '
 
 matrix_well_known_matrix_support_configuration_extension_json: '{}'
 
-matrix_well_known_matrix_support_configuration_extension: "{{ matrix_well_known_matrix_support_configuration_extension_json|from_json if matrix_well_known_matrix_support_configuration_extension_json|from_json is mapping else {} }}"
+matrix_well_known_matrix_support_configuration_extension: "{{ matrix_well_known_matrix_support_configuration_extension_json | from_json if matrix_well_known_matrix_support_configuration_extension_json | from_json is mapping else {} }}"
 
 # Holds the final `/.well-known/matrix/support` configuration (a combination of the default and its extension).
 # You most likely don't need to touch this variable. Instead, see `matrix_well_known_matrix_support_configuration_default` and `matrix_well_known_matrix_support_configuration_extension_json`.
-matrix_well_known_matrix_support_configuration: "{{ matrix_well_known_matrix_support_configuration_default|combine(matrix_well_known_matrix_support_configuration_extension, recursive=True) }}"
+matrix_well_known_matrix_support_configuration: "{{ matrix_well_known_matrix_support_configuration_default | combine(matrix_well_known_matrix_support_configuration_extension, recursive=True) }}"
 
 # The Docker network that all services would be put into
 matrix_docker_network: "matrix"