Index: openacs-4/packages/rss-support/tcl/rss-utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/rss-support/tcl/rss-utilities-procs.tcl,v
diff -u -N -r1.4.20.1 -r1.4.20.2
--- openacs-4/packages/rss-support/tcl/rss-utilities-procs.tcl	27 Aug 2013 11:25:28 -0000	1.4.20.1
+++ openacs-4/packages/rss-support/tcl/rss-utilities-procs.tcl	22 May 2014 21:16:10 -0000	1.4.20.2
@@ -42,7 +42,7 @@
     relative url for that node.  Returns empty string
     if the package is not mounted.
 } {
-    return [util_memoize "rss_first_url_for_package_id_helper $package_id"]
+    return [util_memoize [list rss_first_url_for_package_id_helper $package_id]]
 }
 
 ad_proc -private rss_first_url_for_package_id_helper {