diff --git a/nagios-nrpe/tasks/main.yml b/nagios-nrpe/tasks/main.yml
index bf63a44a..2a89da52 100644
--- a/nagios-nrpe/tasks/main.yml
+++ b/nagios-nrpe/tasks/main.yml
@@ -2,9 +2,8 @@
 
 - name:
   ansible.builtin.set_fact:
-    nagios_nrpe_processes: "{{ nagios_nrpe_processes_default_before_debian_12 if ansible_distribution_major_version is version('12', '<') else nagios_nrpe_processes_default }}"
-  when:
-    nagios_nrpe_processes == None or nagios_nrpe_processes|length <= 0
+    nagios_nrpe_processes: "{{ ansible_distribution_major_version is version('12', '<') | ternary(nagios_nrpe_processes_default_before_debian_12, nagios_nrpe_processes_default) }}"
+  when: nagios_nrpe_processes == None or nagios_nrpe_processes | length <= 0
 
 - name: base nrpe & plugins packages are installed
   ansible.builtin.apt: