diff --git a/classes/CompareProduct.php b/classes/CompareProduct.php
index 6a047e8f9..fb87598b1 100644
--- a/classes/CompareProduct.php
+++ b/classes/CompareProduct.php
@@ -27,19 +27,19 @@
 
 class CompareProductCore extends ObjectModel
 {
-	public		$id_compare;
+	public $id_compare;
 
-	public 		$id_customer;
+	public $id_customer;
 
-	public 		$date_add;
+	public $date_add;
 
-	public 		$date_upd;
+	public $date_upd;
 
-	protected 	$fieldRequired = array(
+	protected $fieldRequired = array(
 		'id_compare',
 		'id_customer');
 
-	protected 	$fieldsValidate = array(
+	protected $fieldsValidate = array(
 		'id_compare' => 'isUnsignedInt',
 		'id_customer' => 'isUnsignedInt'
 	);
@@ -89,7 +89,7 @@ class CompareProductCore extends ObjectModel
 			if ($sql)
 			{
 				$id_compare = Db::getInstance()->getValue('SELECT MAX(`id_compare`) FROM `'._DB_PREFIX_.'compare`');
-				$cookie->id_compare = $id_compare;
+				Context::getContext()->cookie->id_compare = $id_compare;
 			}
 		}
 		return Db::getInstance()->execute('
diff --git a/classes/Tools.php b/classes/Tools.php
index e5f21fae5..5860ef909 100644
--- a/classes/Tools.php
+++ b/classes/Tools.php
@@ -1796,10 +1796,10 @@ FileETag INode MTime Size
 		}
 	}
 
-    /**
-     * @desc extract a zip file to the given directory
-     * @return bool success
-     */
+	/**
+	 * @desc extract a zip file to the given directory
+	 * @return bool success
+	 */
 	public static function ZipExtract($fromFile, $toDir)
 	{
 		if (!file_exists($toDir))
@@ -1828,6 +1828,9 @@ FileETag INode MTime Size
 	 *
 	 * @param string $type by|way
 	 * @param string $value If no index given, use default order from admin -> pref -> products
+	 * @param bool|\bool(false)|string $prefix
+	 *
+	 * @return string Order by sql clause
 	 */
 	public static function getProductsOrder($type, $value = null, $prefix = false)
 	{
diff --git a/themes/default/product-compare.tpl b/themes/default/product-compare.tpl
index 7b812b2c8..65980341c 100644
--- a/themes/default/product-compare.tpl
+++ b/themes/default/product-compare.tpl
@@ -32,7 +32,7 @@
 //]]>
 </script>
 
-	<form method="get" action="{$link->getPageLink('products-comparison')}" onsubmit="true">
+	<form method="post" action="{$link->getPageLink('products-comparison')}" onsubmit="true">
 		<p>
 		<input type="submit" id="bt_compare" class="button" value="{l s='Compare'}" />
 		<input type="hidden" name="compare_product_list" class="compare_product_list" value="" />