diff --git a/classes/module/ModuleGrid.php b/classes/module/ModuleGrid.php
index ffe2ba6f0..d73f5c891 100644
--- a/classes/module/ModuleGrid.php
+++ b/classes/module/ModuleGrid.php
@@ -69,7 +69,7 @@ abstract class ModuleGridCore extends Module
 	{
 		if (!Validate::isModuleName($render))
 			die(Tools::displayError());
-		if (!Tools::file_exists_cache($file = dirname(__FILE__).'/../modules/'.$render.'/'.$render.'.php'))
+		if (!Tools::file_exists_cache($file = dirname(__FILE__).'/../../modules/'.$render.'/'.$render.'.php'))
 			die(Tools::displayError());
 		require_once($file);
 		$this->_render = new $render($type);
@@ -99,7 +99,7 @@ abstract class ModuleGridCore extends Module
 			return Tools::displayError('No grid engine selected');
 		if (!Validate::isModuleName($render))
 			die(Tools::displayError());
-		if (!file_exists(dirname(__FILE__).'/../modules/'.$render.'/'.$render.'.php'))
+		if (!file_exists(dirname(__FILE__).'/../../modules/'.$render.'/'.$render.'.php'))
 			return Tools::displayError('Grid engine selected is unavailable.');
 
 		$grider = 'grider.php?render='.$render.'&module='.Tools::safeOutput(Tools::getValue('module'));
@@ -132,7 +132,7 @@ abstract class ModuleGridCore extends Module
 		if (isset($params['dir']) && Validate::isSortDirection($params['dir']))
 			$grider .= '&dir='.$params['dir'];
 
-		require_once(dirname(__FILE__).'/../modules/'.$render.'/'.$render.'.php');
+		require_once(dirname(__FILE__).'/../../modules/'.$render.'/'.$render.'.php');
 		return call_user_func(array($render, 'hookGridEngine'), $params, $grider);
 	}