Index: openacs-4/packages/acs-subsite/lib/services.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/lib/services.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/acs-subsite/lib/services.tcl	26 Apr 2018 08:56:37 -0000	1.7
+++ openacs-4/packages/acs-subsite/lib/services.tcl	9 May 2018 15:33:28 -0000	1.8
@@ -11,7 +11,7 @@
         }
     }
 
-set services {}
+set services [list]
 
 foreach url [site_node::get_children -package_type apm_service -node_id [subsite::get_element -element node_id]] {
     array unset node