Index: openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl,v
diff -u -N -r1.141.2.18 -r1.141.2.19
--- openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl	17 Apr 2020 19:12:05 -0000	1.141.2.18
+++ openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl	19 May 2020 19:15:37 -0000	1.141.2.19
@@ -1414,12 +1414,9 @@
             }
 
             :protected method properties {-node_id:required,integer,1..1} {
-                set key ::__site_nodes_property($node_id)
-                if {[info exists $key]} {
-                    return [set $key]
-                }
-                set $key [::acs::site_nodes_cache eval -partition_key $node_id $node_id { next }]
-                return [set $key]
+                return [acs::per_request_cache eval -key acs-tcl.site_nodes_property($node_id) {
+                    ::acs::site_nodes_cache eval -partition_key $node_id $node_id { next }
+                }]
             }
 
             :public method get_url {-node_id:required,1..1} {