diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 05d9049ff03..95a5629fb14 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -1542,7 +1542,8 @@ class Categorie extends CommonObject
 
 		if (file_exists($dir)) {
 			if (is_array($file['name']) && count($file['name']) > 0) {
-				for($i = 0; $i <= count($file['name']); $i ++) {
+				$nbfile = count($file['name']);
+				for ($i = 0; $i <= $nbfile; $i ++) {
 
 					$originImage = $dir . $file['name'][$i];