diff --git a/defaults/main.yml b/defaults/main.yml
index 55afbdd..8ccd65f 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -9,7 +9,6 @@ php_apc_cache_by_default: "1"
 php_apc_shm_size: "96M"
 php_date_timezone: "America/Chicago"
 php_enable_webserver: true
-php_webserver_daemon: "httpd"
 
 php_enable_php_fpm: false
 php_enable_apc: true
diff --git a/tasks/main.yml b/tasks/main.yml
index 9bffcb6..bdb975d 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -7,6 +7,11 @@
     php_packages: "{{ __php_packages | list }}"
   when: php_packages is not defined
 
+- name: Define php_webserver_daemon.
+  set_fact:
+    php_webserver_daemon: "{{ __php_webserver_daemon | list }}"
+  when: php_webserver_daemon is not defined
+
 - name: Ensure PHP packages are installed (RedHat).
   yum:
     name: "{{ item }}"
diff --git a/vars/Debian.yml b/vars/Debian.yml
index b30b32b..3bc271d 100644
--- a/vars/Debian.yml
+++ b/vars/Debian.yml
@@ -13,4 +13,4 @@ __php_packages:
   - php5-fpm
   - php5-gd
   - php-pear
-php_webserver_daemon: "apache2"
+__php_webserver_daemon: "apache2"
diff --git a/vars/RedHat.yml b/vars/RedHat.yml
index efd323e..571e1e6 100644
--- a/vars/RedHat.yml
+++ b/vars/RedHat.yml
@@ -18,4 +18,4 @@ __php_packages:
   - php-pecl-apc
   - php-xml
   - php-xmlrpc
-php_webserver_daemon: "httpd"
+__php_webserver_daemon: "httpd"