diff --git a/main/inc/lib/document.lib.php b/main/inc/lib/document.lib.php
index 9593f6c975..9798436b0b 100755
--- a/main/inc/lib/document.lib.php
+++ b/main/inc/lib/document.lib.php
@@ -484,7 +484,7 @@ class DocumentManager {
 		//condition for the session
 		$current_session_id = api_get_session_id();
 		$condition_session = " AND (id_session = '$current_session_id' OR id_session = '0')";
-		$sql = "SELECT docs.id, docs.filetype, docs.path, docs.title, docs.comment, docs.size, docs.readonly, last.lastedit_date, last.visibility
+		$sql = "SELECT docs.id, docs.filetype, docs.path, docs.title, docs.comment, docs.size, docs.readonly, docs.session_id, last.lastedit_date, last.visibility
 						FROM  ".$TABLE_ITEMPROPERTY."  AS last, ".$TABLE_DOCUMENT."  AS docs
 						WHERE docs.id = last.ref
 						AND docs.path LIKE '".$path.$added_slash."%'