Index: openacs-4/packages/calendar/www/view-list-display.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/view-list-display.tcl,v
diff -u -r1.41.2.8 -r1.41.2.9
--- openacs-4/packages/calendar/www/view-list-display.tcl	29 Mar 2023 13:50:50 -0000	1.41.2.8
+++ openacs-4/packages/calendar/www/view-list-display.tcl	30 Mar 2023 15:17:01 -0000	1.41.2.9
@@ -215,7 +215,13 @@
 
 set exported_vars [export_vars -entire_form -no_empty -form -exclude $excluded_vars]
 
-ad_form -name frmdays -has_submit 1 -html {class "inline-form"} -form {
+#
+# Do not conflict with other portlet instances being rendered on the
+# same page.
+#
+set form_name frmdays-[clock microseconds]
+
+ad_form -name $form_name -has_submit 1 -html {class "inline-form"} -form {
     {period_days:integer(number),optional
         {label "[_ calendar.days]"}
         {html {min 1 max 999 size 3 class "cal-input-field"}}