diff --git a/src/engines/class-twig-engine.php b/src/engines/class-twig-engine.php
index <HASH>..<HASH> 100644
--- a/src/engines/class-twig-engine.php
+++ b/src/engines/class-twig-engine.php
@@ -69,7 +69,7 @@ class Twig_Engine extends Engine {
 	 *
 	 * @return \Twig_Environment
 	 */
-	private function instance() {
+	public function instance() {
 		if ( ! isset( self::$environment ) ) {
 			self::$environment = $this->boot();
 		}
Update class-twig-engine.php