diff --git a/src/vmm_core.ml b/src/vmm_core.ml
index a500e28..22bcfbd 100644
--- a/src/vmm_core.ml
+++ b/src/vmm_core.ml
@@ -268,7 +268,7 @@ module Stats = struct
   }
 
   let pp_rusage ppf r =
-    Fmt.pf ppf "utime %Lu.%d stime %Lu.%d maxrss %Lu ixrss %Lu idrss %Lu isrss %Lu minflt %Lu majflt %Lu nswap %Lu inblock %Lu outblock %Lu msgsnd %Lu msgrcv %Lu signals %Lu nvcsw %Lu nivcsw %Lu"
+    Fmt.pf ppf "utime %Lu.%06d stime %Lu.%06d maxrss %Lu ixrss %Lu idrss %Lu isrss %Lu minflt %Lu majflt %Lu nswap %Lu inblock %Lu outblock %Lu msgsnd %Lu msgrcv %Lu signals %Lu nvcsw %Lu nivcsw %Lu"
       (fst r.utime) (snd r.utime) (fst r.stime) (snd r.stime) r.maxrss r.ixrss r.idrss r.isrss r.minflt r.majflt r.nswap r.inblock r.outblock r.msgsnd r.msgrcv r.nsignals r.nvcsw r.nivcsw
   let pp_rusage_mem ppf r =
     Fmt.pf ppf "maxrss %Lu ixrss %Lu idrss %Lu isrss %Lu minflt %Lu majflt %Lu"
@@ -286,7 +286,7 @@ module Stats = struct
   }
 
   let pp_kinfo_mem ppf t =
-    Fmt.pf ppf "virtual-size %Lu rss %Lu text-size %Lu data-size %Lu stack-size %Lu runtime %Lu cow %u start %Lu.%d"
+    Fmt.pf ppf "virtual-size %Lu rss %Lu text-size %Lu data-size %Lu stack-size %Lu runtime %Lu cow %u start %Lu.%06d"
       t.vsize t.rss t.tsize t.dsize t.ssize t.runtime t.cow (fst t.start) (snd t.start)
 
   type vmm = (string * int64) list