diff --git a/tasks/main.yml b/tasks/main.yml
index 939e131..9628250 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -12,7 +12,7 @@
   when:
     - base__add_ethz | bool
     - ansible_architecture == 'x86_64'
-    - ansible_os_family == 'Debian' and ansible_distribution_version | float >= 8
+    - ansible_distribution == 'Debian' and ansible_distribution_version | float >= 8
     - ansible_pkg_mgr == "apt"
 
 - name: install packages
diff --git a/vars/main.yml b/vars/main.yml
index d132419..25984a3 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -61,5 +61,5 @@ base__linux_packages:
   - bzip2
   - jq
 
-playbook_version_number: 9008
+playbook_version_number: 9009
 playbook_version_path: 'base-packages_roles-ansible_github.version'