// cache

classes/controller/Controller.php

@@ -359,6 +359,9 @@ abstract class ControllerCore
 	
 	protected function isCached($template, $cacheId = null, $compileId = null)
 	{
-		return $this->context->smarty->isCached($template, $cacheId, $compileId);
+		Tools::enableCache();
+		$res = $this->context->smarty->isCached($template, $cacheId, $compileId);
+		Tools::restoreCacheSettings();
+		return $res;
 	}
 }