diff --git a/simulatore.html b/simulatore.html
index 4d6fd9c..fa30058 100644
--- a/simulatore.html
+++ b/simulatore.html
@@ -3714,7 +3714,7 @@ $ rm /mnt/verifica.txt
     if(cmd==="powerfail"){if(state.rebuild.active){stopRebuild(false);termPrint("⚡ POWER FAIL: rebuild interrotto.","warn");if(state.scenario.name==="rebuild_interrupted"&&!state.scenario.checkpoints.stopped){state.scenario.checkpoints.stopped=true;addScore(6,"(scenario) rebuild interrotto.");}}else termPrint("POWER FAIL: nessun rebuild attivo.","dim");render();scenarioCheck();return;}
     if(cmd==="dmesg | tail"){termPrint(dmesgTail(),"dim");scenarioActionDiag();render();scenarioCheck();return;}
     const t=tokenize(cmd),c0=t[0];
-    if(cmd==="uptime"){let uptime=new Date(Date.now()-state.startupTime);termPrint("Uptime: "+(uptime.getUTCDate()-1)+":"+uptime.getUTCHours()+":"+uptime.getUTCMinutes()+":"+uptime.getUTCSeconds(),"dim");return;}
+    if(cmd==="uptime"){let uptime=new Date(Date.now()-state.startupTime);termPrint("Uptime: "+twoDigits((uptime.getUTCDate()-1))+":"+twoDigits(uptime.getUTCHours())+":"+twoDigits(uptime.getUTCMinutes())+":"+twoDigits(uptime.getUTCSeconds()),"dim");return;}
     if(c0==="cat"&&t[1]==="/proc/mdstat"){termPrint(mdstat(),"dim");scenarioActionDiag();render();scenarioCheck();return;}
     if(c0==="mdadm"){
       // Supporta entrambe le sintassi: "mdadm --op /dev/md0 /dev/sdX" e "mdadm /dev/md0 --op /dev/sdX"
@@ -4088,6 +4088,8 @@ function showProc(id, btn){
   if(section)section.classList.add("active");
   if(btn)btn.classList.add("active");
 }
+
+function twoDigits(n){return n.toString().padStart(2,"0");}
 </script>
 </body>
 </html>