Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -N -r1.140.2.64 -r1.140.2.65
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	26 Mar 2017 16:50:17 -0000	1.140.2.64
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	27 Mar 2017 10:33:29 -0000	1.140.2.65
@@ -4877,7 +4877,7 @@
 } {
     set dir [ad_tmpdir]/$key
     foreach file [flib -nocomplain $dir/$id-*] {
-        file delete $file
+        file delete -- $file
         ns_log notice "FLUSH file delete $file"
     }
 }