diff --git a/plugins/system/zones_cpu b/plugins/system/zones_cpu
index 0ebe77d4..003d6d1a 100755
--- a/plugins/system/zones_cpu
+++ b/plugins/system/zones_cpu
@@ -4,7 +4,7 @@
 #%# capabilities=autoconf
 
 PRSTAT=/usr/bin/prstat
-PRSTAT_OPTS="-Z 1 1"
+PRSTAT_OPTS="-Z -n 1,99 1 1"
 
 if [ "$1" = 'autoconf' ]; then
         if [ -f $PRSTAT ]; then