diff --git a/htdocs/categories/card.php b/htdocs/categories/card.php
index feca9c4f204..74e16f9082d 100644
--- a/htdocs/categories/card.php
+++ b/htdocs/categories/card.php
@@ -210,7 +210,7 @@ llxHeader("", $langs->trans("Categories"), $helpurl);
 if ($user->rights->categorie->creer)
 {
 	// Create or add
-	if ($action == 'create' || $_POST["addcat"] == 'addcat')
+	if ($action == 'create' || GETPOST("addcat") == 'addcat')
 	{
 		dol_set_focus('#label');
 
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2482795147a..0348a01de3f 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -4174,7 +4174,7 @@ class Form
 				$output .= '<option value="-1">&nbsp;</option>';
 				foreach ($cate_arbo as $key => $value)
 				{
-					if ($cate_arbo[$key]['id'] == $selected || ($selected == 'auto' && count($cate_arbo) == 1))
+					if ($cate_arbo[$key]['id'] == $selected || ($selected === 'auto' && count($cate_arbo) == 1))
 					{
 						$add = 'selected ';
 					} else {