diff --git a/roles/flux/tasks/main.yml b/roles/flux/tasks/main.yml
index adf55a9..ff1b37a 100644
--- a/roles/flux/tasks/main.yml
+++ b/roles/flux/tasks/main.yml
@@ -7,4 +7,4 @@
 - name: Install Flux to cluster
   run_once: true
   changed_when: false
-  ansible.builtin.command: flux install {% if atmosphere_image_repository %}--registry={{ atmosphere_image_repository }}{% endif %}
+  ansible.builtin.command: flux install {% if atmosphere_image_repository is defined %}--registry={{ atmosphere_image_repository }}{% endif %}