diff --git a/classes/LocalizationPack.php b/classes/LocalizationPack.php
index 5a738b1a4..87b90967c 100644
--- a/classes/LocalizationPack.php
+++ b/classes/LocalizationPack.php
@@ -52,6 +52,7 @@ class LocalizationPackCore
 			$res &= $this->installConfiguration($xml);
 			$res &= $this->installModules($xml);
 			$res &= $this->_installLanguages($xml, $install_mode);
+			$res &= $this->updateDefaultGroupDisplayMethod($xml);
 
 			if ($res && isset($this->iso_code_lang))
 			{
@@ -240,7 +241,7 @@ class LocalizationPackCore
 				}
 			}
 		}
-		return $this->updateDefaultGroupDisplayMethod($xml);
+		return true;
 	}
 
 	protected function _installCurrencies($xml, $install_mode = false)
@@ -388,6 +389,11 @@ class LocalizationPackCore
 
 		return true;
 	}
+	
+	protected function _installGroups($xml)
+	{
+		return $this->updateDefaultGroupDisplayMethod($xml);
+	}
 
 	protected function updateDefaultGroupDisplayMethod($xml)
 	{
diff --git a/classes/Validate.php b/classes/Validate.php
index 1b4d31d03..01ee11fd1 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -930,7 +930,7 @@ class ValidateCore
 	 */
 	public static function isLocalizationPackSelection($data)
 	{
-		return ($data === 'states' || $data === 'taxes' || $data === 'currencies' || $data === 'languages' || $data === 'units');
+		return in_array((string)$data, array('states', 'taxes', 'currencies', 'languages', 'units', 'groups'));
 	}
 
 	/**
diff --git a/controllers/admin/AdminLocalizationController.php b/controllers/admin/AdminLocalizationController.php
index 98d45bf10..00877cb0d 100644
--- a/controllers/admin/AdminLocalizationController.php
+++ b/controllers/admin/AdminLocalizationController.php
@@ -236,6 +236,11 @@ class AdminLocalizationControllerCore extends AdminController
 				'id' => 'units',
 				'val' => 'units',
 				'name' => $this->l('Units (e.g. weight, volume, distance)')
+			),
+			array(
+				'id' => 'groups',
+				'val' => 'groups',
+				'name' => $this->l('Change the behavior of the taxes display for the groups')
 			)
 		);