--- mibmem.c.org        2019-05-21 19:12:12.000000000 +0200
+++ mibmem.c    2019-08-05 16:33:59.421720000 +0200
@@ -114,9 +114,10 @@
        sysctlval("vm.stats.vm.v_free_count", &val);
        mibmem.availReal = pagetok(val);
        mibmem.totalFree = pagetok(total.t_free);
+       mibmem.cached = 0;
        if (osreldate < 1200016) {
                sysctlval("vm.stats.vm.v_cache_count", &val);
-               mibmem.cached = (int32_t) pagetok(val);
+               mibmem.cached += (int32_t) pagetok(val);
        }
        sysctlval("vm.stats.vm.v_inactive_count", &val);
        mibmem.cached += (int32_t) pagetok(val);