Index: openacs-4/packages/xowiki/tcl/form-field-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/form-field-procs.tcl,v
diff -u -r1.198 -r1.199
--- openacs-4/packages/xowiki/tcl/form-field-procs.tcl	28 Dec 2011 18:08:36 -0000	1.198
+++ openacs-4/packages/xowiki/tcl/form-field-procs.tcl	10 Feb 2012 18:22:14 -0000	1.199
@@ -742,7 +742,9 @@
     array set entry_info [my entry_name $value]
 
     set content_type [my set content-type]
-    if {$content_type eq "application/octetstream"} {
+    if {$content_type eq "application/octetstream" 
+	|| $content_type eq "application/force-download"
+      } {
       set content_type [::xowiki::guesstype $value]
     }
     #my msg "mime_type of $entry_name = [::xowiki::guesstype $value] // [my set content-type] ==> $content_type"