--- src/netcpu_sysctl.c.orig	Thu Apr 18 17:35:34 2013
+++ src/netcpu_sysctl.c	Thu Apr 18 17:41:12 2013
@@ -85,8 +85,12 @@ static void
 get_cpu_time(CP_TIME_TYPE *cpu_time)
 {
   size_t cpu_time_len = CPUSTATES * sizeof (cpu_time[0]);
+  int mib[2];
 
-  if (sysctlbyname("kern.cp_time", cpu_time, &cpu_time_len, NULL, 0) == -1) {
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_CPTIME;
+
+  if (sysctl(mib, 2, cpu_time, &cpu_time_len, NULL, 0) == -1) {
       fprintf (stderr, "Cannot get CPU time!\n");
       exit (1);
   }