1 files changed, 3 insertions, 3 deletions

diff --git a/lib/smarty3/sysplugins/smarty_internal_method_setdebugtemplate.php b/lib/smarty3/sysplugins/smarty_internal_method_setdebugtemplate.php
index 4ff5d7f..cc9d23e 100644
--- a/lib/smarty3/sysplugins/smarty_internal_method_setdebugtemplate.php
+++ b/lib/smarty3/sysplugins/smarty_internal_method_setdebugtemplate.php
@@ -24,18 +24,18 @@ class Smarty_Internal_Method_SetDebugTemplate
      * @api Smarty::setDebugTemplate()
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
-     * @param  string                                                         $tpl_name
+     * @param string                                                          $tpl_name
      *
      * @return \Smarty|\Smarty_Internal_Template
      * @throws SmartyException if file is not readable
      */
     public function setDebugTemplate(Smarty_Internal_TemplateBase $obj, $tpl_name)
     {
-        $smarty = isset($obj->smarty) ? $obj->smarty : $obj;
+        $smarty = $obj->_getSmartyObj();
         if (!is_readable($tpl_name)) {
             throw new SmartyException("Unknown file '{$tpl_name}'");
         }
         $smarty->debug_tpl = $tpl_name;
         return $obj;
     }
-}
\ No newline at end of file
+}