Index: openacs-4/packages/file-storage/www/file.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/www/file.tcl,v
diff -u -r1.35.2.1 -r1.35.2.2
--- openacs-4/packages/file-storage/www/file.tcl	12 Sep 2015 11:06:19 -0000	1.35.2.1
+++ openacs-4/packages/file-storage/www/file.tcl	2 Jan 2016 20:13:30 -0000	1.35.2.2
@@ -37,7 +37,7 @@
 db_1row file_info ""
 
 # get folder id so we can implement a back link
-set folder_id [db_string get_folder ""]
+set folder_id [db_string get_folder {}]
 
 set folder_view_url [export_vars -base index {folder_id}]