diff --git a/roles/matrix-cactus-comments/templates/systemd/matrix-cactus-comments.service.j2 b/roles/matrix-cactus-comments/templates/systemd/matrix-cactus-comments.service.j2
index 36ab459c1..068255823 100644
--- a/roles/matrix-cactus-comments/templates/systemd/matrix-cactus-comments.service.j2
+++ b/roles/matrix-cactus-comments/templates/systemd/matrix-cactus-comments.service.j2
@@ -22,7 +22,7 @@ ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-cactus-comment
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--read-only \
 			--env-file {{ matrix_cactus_comments_app_service_env_file }} \
-             --tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_cactus_comments_tmp_directory_size_mb }}m \
+			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_cactus_comments_tmp_directory_size_mb }}m \
 			--network={{ matrix_docker_network }} \
 			{{ matrix_cactus_comments_docker_image }}