diff --git a/tasks/nrpe.yml b/tasks/nrpe.yml
index 33b2089..3dfd055 100644
--- a/tasks/nrpe.yml
+++ b/tasks/nrpe.yml
@@ -39,5 +39,5 @@
   package:
     name: "{{ monitored_packages_additional_nrpe }}"
     state: latest
-  when: monitored_packages_additional_nrpe|bool
+  when: monitored_packages_additional_nrpe != []
 
diff --git a/tasks/packages.yml b/tasks/packages.yml
index 63b3205..1c25145 100644
--- a/tasks/packages.yml
+++ b/tasks/packages.yml
@@ -16,5 +16,5 @@
   package:
     name: "{{ monitored_packages_additional }}"
     state: latest
-  when: monitored_packages_additional|bool
+  when: monitored_packages_additional != []
 
diff --git a/tasks/ssh.yml b/tasks/ssh.yml
index e5d487e..1cf0b36 100644
--- a/tasks/ssh.yml
+++ b/tasks/ssh.yml
@@ -21,5 +21,5 @@
   package:
     name: "{{ monitored_packages_additional_ss }}"
     state: latest
-  when: monitored_packages_additional_ssh|bool
+  when: monitored_packages_additional_ssh != []