Index: openacs-4/packages/download/tcl/download-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/download/tcl/download-procs.tcl,v
diff -u -r1.19 -r1.20
--- openacs-4/packages/download/tcl/download-procs.tcl	29 Mar 2018 21:47:00 -0000	1.19
+++ openacs-4/packages/download/tcl/download-procs.tcl	12 Feb 2019 18:00:04 -0000	1.20
@@ -132,7 +132,7 @@
     if [catch {
         set download_hostname [ns_hostbyaddr $download_ip]
     }] {
-        set download_hostname [db_null]
+        set download_hostname ""
     }
     set user_agent  [ns_set iget [ad_conn headers] user-agent]