diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index e918ce97d62..e36ecb8daa7 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -11838,7 +11838,7 @@ function dol_mimetype($file, $default = 'application/octet-stream', $mode = 0)
 		$mime = 'video';
 		$imgmime = 'video.png';
 		$famime = 'file-video';
-	} elseif (preg_match('/\.(zip|rar|gz|tgz|z|cab|bz2|7z|tar|lzh|zst)$/i', $tmpfile)) {	// Archive
+	} elseif (preg_match('/\.(zip|rar|gz|tgz|xz|z|cab|bz2|7z|tar|lzh|zst)$/i', $tmpfile)) {	// Archive
 		// application/xxx where zzz is zip, ...
 		$mime = 'archive';
 		$imgmime = 'archive.png';