diff --git a/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php b/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
index 1f31e84944..5c72bfaa57 100644
--- a/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
+++ b/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
@@ -39,6 +39,7 @@ class ExcludeFileByNameFilterIterator extends \RecursiveFilterIterator {
 		'.DS_Store', // Mac OS X
 		'Thumbs.db', // Microsoft Windows
 		'.directory', // Dolphin (KDE)
+		'.webapp', // Gentoo/Funtoo & derivatives use a tool known as webapp-config to manager wep-apps.
 	];
 
 	/**