diff --git a/default.config.yml b/default.config.yml
index a82589518..bb022c596 100644
--- a/default.config.yml
+++ b/default.config.yml
@@ -263,7 +263,7 @@ php_display_errors: "On"
 php_display_startup_errors: "On"
 php_realpath_cache_size: "1024K"
 php_sendmail_path: "/opt/mailhog/mhsendmail"
-php_opcache_enabled_in_ini: true
+php_opcache_enable: "1"
 php_opcache_memory_consumption: "192"
 php_opcache_max_accelerated_files: 4096
 php_max_input_vars: "4000"