diff --git a/roles/pips/tasks/nagios_tasks.yml b/roles/pips/tasks/nagios_tasks.yml
index 0939b01..f3653ca 100644
--- a/roles/pips/tasks/nagios_tasks.yml
+++ b/roles/pips/tasks/nagios_tasks.yml
@@ -21,7 +21,7 @@
 - name: Check if nagios NRPE  is installed
   debug:
     msg: "NRPE is installed."
-  when: "{{ nrpe_package }} in ansible_facts.packages"
+  when: "'{{ nrpe_package }}' in ansible_facts.packages"
 
 - name: Ensure NRPE is installed (Debian/Ubuntu)
   apt: