diff --git a/templates/php_fpm_pool.j2 b/templates/php_fpm_pool.j2
index 6be8298..02f2ed9 100644
--- a/templates/php_fpm_pool.j2
+++ b/templates/php_fpm_pool.j2
@@ -16,7 +16,7 @@ clear_env = no
 security.limit_extensions = .php .php3 .php4 .php5
 php_admin_value[opcache.validate_permission] = 1
 php_admin_value[opcache.validate_root] = 1
-php_admin_value[opcache.interned_strings_buffer] = 8
+php_admin_value[opcache.interned_strings_buffer] = 16
 php_admin_value[opcache.max_accelerated_files] = 10000
 php_admin_value[opcache.memory_consumption] = 128
 php_admin_value[opcache.save_comments] = 1