Index: openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl,v
diff -u -r1.41.2.3 -r1.41.2.4
--- openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	29 Sep 2013 19:01:33 -0000	1.41.2.3
+++ openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	29 Sep 2013 19:08:29 -0000	1.41.2.4
@@ -381,7 +381,7 @@
     lappend trend $n
     set lt [llength $trend]
     if {$lt > [my nr_trend_elements]} {
-      set trend [lrange $trend [expr {$lt-[my nr_trend_elements]}] end]
+      set trend [lrange $trend $lt-[my nr_trend_elements] end]
     }
     #
     # stats keeps nr_stats_elements highest values with time stamp