diff --git a/roles/matrix-riot-web/tasks/setup_riot_web.yml b/roles/matrix-riot-web/tasks/setup_riot_web.yml
index 9161c8177..2216a0ffa 100644
--- a/roles/matrix-riot-web/tasks/setup_riot_web.yml
+++ b/roles/matrix-riot-web/tasks/setup_riot_web.yml
@@ -40,7 +40,7 @@
       dockerfile: Dockerfile
       path: "{{ matrix_riot_web_docker_src_files_path }}"
       pull: yes
-  when: "matrix_riot_web_enabled|bool and matrix_self_build"
+  when: "matrix_riot_web_enabled|bool and matrix_riot_web_self_build"
 
 - name: Ensure Matrix riot-web configuration installed
   copy: