Index: openacs-4/packages/file-storage/www/file-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/www/file-add.tcl,v
diff -u -r1.20.2.7 -r1.20.2.8
--- openacs-4/packages/file-storage/www/file-add.tcl	27 Nov 2016 12:19:35 -0000	1.20.2.7
+++ openacs-4/packages/file-storage/www/file-add.tcl	27 Mar 2017 10:44:58 -0000	1.20.2.8
@@ -257,13 +257,13 @@
 									   -element_name category_id]
         }
 
-        file delete $tmpfile
+        file delete -- $tmpfile
         incr i
         if {$i < $number_upload_files} {
             set file_id [db_nextval "acs_object_id_seq"]
         }
     }
-    file delete $upload_file.tmpfile
+    file delete -- $upload_file.tmpfile
 } -edit_data {
     set this_title $title
     set filename [template::util::file::get_property filename $upload_file]