Index: openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl,v
diff -u -N -r1.11 -r1.12
--- openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl	7 Aug 2017 23:47:59 -0000	1.11
+++ openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl	1 Oct 2017 12:16:05 -0000	1.12
@@ -46,7 +46,7 @@
         set filename $folder/$itemInfo(revision_id).$size
         
         if {![file exists $filename]} {
-            switch $itemInfo(storage_type) {
+            switch -- $itemInfo(storage_type) {
                 "file" {
                     set input_file [content::revision::get_cr_file_path -revision_id $itemInfo(revision_id)]
                     exec convert $input_file -resize $size $filename