diff --git a/tasks/main.yml b/tasks/main.yml
index 8d2ddea..df5b84b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -6,7 +6,8 @@
     - "{{ role_path }}/vars/{{ ansible_os_family }}-php{{ php_version }}.yml"
 
 - name: Remove missing JSON extension for PHP 8.0 (included by default)
-  set_fact: "{{ __php_packages }}={{ __php_packages | reject('search','php' + php_version + '-json') | list }}"
+  set_fact:
+    __php_packages: "{{ __php_packages | reject('search','php' + php_version + '-json') | list }}"
   when:
     - __php_packages is defined
     - php_version is version('8.0', '>=')