diff --git a/tasks/main.yml b/tasks/main.yml
index b5f90f3..6623ee9 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -12,12 +12,12 @@
 - name: set DocumentRoot
   set_fact:
     docroot: "/var/www/html"
-  when: not docroot is defined
+  when: docroot is not defined
 
 - name: set domainname
   set_fact:
     domainname: "{{ inventory_hostname }}"
-  when: not domainname is defined
+  when: domainname is not defined
 
 - name: create wwwroot
   file: