diff --git a/defaults/main.yml b/defaults/main.yml
index 8c0882c..503ed17 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,5 +2,5 @@
 nextcloud_instances: []
 nextcloud_user: "cloud"
 nextcloud_path: "/var/www/nextcloud"
-php_binary: "php"
-php_arguments: ""
\ No newline at end of file
+php_binary_default: "php"
+php_arguments_default: ""
\ No newline at end of file
diff --git a/tasks/main.yml b/tasks/main.yml
index 7108640..5653dcd 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -4,8 +4,8 @@
   vars:
     nextcloud_user: "{{ nc_instance.nextcloud_user }}"
     nextcloud_path: "{{ nc_instance.nextcloud_path }}"
-    php_binary: "{{ nc_instance.php_binary }}"
-    php_arguments: "{{ nc_instance.php_arguments }}"
+    php_binary: "{{ nc_instance.php_binary | default(php_binary_default) }}"
+    php_arguments: "{{ nc_instance.php_arguments | default(php_arguments_default) }}"
   loop_control:
     loop_var: "nc_instance"
-  loop: "{{ nextcloud_instances }}"
\ No newline at end of file
+  loop: "{{ nextcloud_instances }}"