diff --git a/roles/matrix-ma1sd/defaults/main.yml b/roles/matrix-ma1sd/defaults/main.yml
index 686358110..144f4932e 100644
--- a/roles/matrix-ma1sd/defaults/main.yml
+++ b/roles/matrix-ma1sd/defaults/main.yml
@@ -3,10 +3,13 @@
 
 matrix_ma1sd_enabled: true
 
+matrix_ma1sd_container_image_self_build: false
+
 matrix_ma1sd_docker_image: "ma1uta/ma1sd:2.3.0"
 matrix_ma1sd_docker_image_force_pull: "{{ matrix_ma1sd_docker_image.endswith(':latest') }}"
 
 matrix_ma1sd_base_path: "{{ matrix_base_data_path }}/ma1sd"
+matrix_ma1sd_docker_src_files_path: "{{ matrix_ma1sd_base_path }}/docker-src"
 matrix_ma1sd_config_path: "{{ matrix_ma1sd_base_path }}/config"
 matrix_ma1sd_data_path: "{{ matrix_ma1sd_base_path }}/data"