diff --git a/install-dev/upgrade/php/p15018_change_image_types.php b/install-dev/upgrade/php/p15018_change_image_types.php
index 57793774b..e7d1bfecb 100644
--- a/install-dev/upgrade/php/p15018_change_image_types.php
+++ b/install-dev/upgrade/php/p15018_change_image_types.php
@@ -83,7 +83,7 @@ function p15018_change_image_types()
 		}
 		
 		// Then the other entities (if there is less than 500 products, that should not be a problem)
-		$directories = array('p', 'c', 'm', 's', 'scenes', 'scenes'.DIRECTORY_SEPARATOR.'thumbs', 'st');
+		$directories = array('p', 'c', 'm', 's', 'su', 'scenes', 'scenes'.DIRECTORY_SEPARATOR.'thumbs', 'st');
 		foreach ($directories as $directory)
 			foreach (scandir(_PS_ROOT_DIR_.DIRECTORY_SEPARATOR.'img'.DIRECTORY_SEPARATOR.$directory) as $file)
 			{