diff --git a/host_firewall/tasks/main.yml b/host_firewall/tasks/main.yml
index 42bd69f..8195e48 100644
--- a/host_firewall/tasks/main.yml
+++ b/host_firewall/tasks/main.yml
@@ -86,6 +86,8 @@
         enabled: false
         state: stopped
         daemon_reload: "{{ firewall_units is changed }}"
+      # Check mode does not install the unit.
+      ignore_errors: "{{ ansible_check_mode }}"
 
     - name: Remove the geo sets file
       ansible.builtin.file: