diff --git a/tasks/centos.yml b/tasks/centos.yml
index f67e84e..9ee09f6 100644
--- a/tasks/centos.yml
+++ b/tasks/centos.yml
@@ -6,7 +6,7 @@
   become: true
 
 - include_tasks: amazon.yml
-  when: ansible_system_vendor == 'Amazon EC2'
+  when: ansible_facts.system_vendor == 'Amazon EC2'
 
 - name: centos | installing sg3_utils
   package:
diff --git a/tasks/main.yml b/tasks/main.yml
index 5aaed04..b62a71a 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,10 +1,10 @@
 ---
 # tasks file for ansible-manage-lvm
 - include_tasks: debian.yml
-  when: ansible_os_family == "Debian"
+  when: ansible_facts.os_family == "Debian"
 
 - include_tasks: centos.yml
-  when: ansible_os_family == "RedHat"
+  when: ansible_facts.os_family == "RedHat"
 
 - include_tasks: manage_lvm.yml
   when: