Index: openacs-4/packages/acs-templating/www/scripts/xinha/file-selector.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/www/scripts/xinha/file-selector.tcl,v
diff -u -r1.8 -r1.9
--- openacs-4/packages/acs-templating/www/scripts/xinha/file-selector.tcl	1 Oct 2017 12:16:05 -0000	1.8
+++ openacs-4/packages/acs-templating/www/scripts/xinha/file-selector.tcl	12 Jun 2018 09:13:16 -0000	1.9
@@ -222,9 +222,9 @@
   }
   if {$title eq ""} {set title $name}
 
-  set file_upload_name [fs::remove_special_file_system_characters \
-			    -string $file_upload_name]
-  
+  set file_upload_name [ad_sanitize_filename \
+                            -tolower \
+                            $file_upload_name]
   if { $content_size ne "" } {
     incr content_size_total $content_size
   }