Index: openacs-4/packages/acs-tcl/tcl/http-client-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/http-client-procs.tcl,v
diff -u -r1.3.2.15 -r1.3.2.16
--- openacs-4/packages/acs-tcl/tcl/http-client-procs.tcl	31 Jan 2017 16:37:57 -0000	1.3.2.15
+++ openacs-4/packages/acs-tcl/tcl/http-client-procs.tcl	9 Feb 2017 14:48:46 -0000	1.3.2.16
@@ -615,6 +615,7 @@
 
         # Transform files into binaries
         foreach file $files {
+            unset -nocomplain f
             array set f $file
 
             if {![info exists f(data)]} {