diff --git a/setup.html b/setup.html
index 80a8561..023ab57 100644
--- a/setup.html
+++ b/setup.html
@@ -205,7 +205,7 @@ html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--s
           </div>
         </div>
       </div>
-      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(4)">← Indietro</button><button class="btn btn-brand" onclick="goTab(4)">Avanti →</button></div>
+      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(1)">← Indietro</button><button class="btn btn-brand" onclick="goTab(3)">Avanti →</button></div>
     </div>
 
     <!-- Tab 4: SIEM -->
@@ -218,7 +218,7 @@ html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--s
         <div><label class="form-label">Password <span>*</span></label><input class="form-input" type="password" id="os_pass" placeholder="••••••••"></div>
         <div class="form-full"><div class="alert alert-warn">ℹ️ Le integrazioni (ESET, FortiGate, Entra ID, ecc.) si configurano dopo il primo accesso dalla sezione <strong>Integrazioni</strong> di ARGOS.</div></div>
       </div>
-      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(1)">← Indietro</button><button class="btn btn-brand" onclick="goTab(3)">Avanti →</button></div>
+      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(2)">← Indietro</button><button class="btn btn-brand" onclick="goTab(4)">Avanti →</button></div>
     </div>
 
     <!-- Tab 4: Admin -->
@@ -233,7 +233,7 @@ html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--s
         <div class="form-full" id="pw-error" style="display:none"><div class="alert alert-err">Le password non corrispondono</div></div>
         <div class="form-full"><div class="alert alert-ok">✓ Potrai creare altri utenti con ruoli diversi dall'interfaccia ARGOS dopo l'installazione.</div></div>
       </div>
-      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(2)">← Indietro</button><button class="btn btn-brand" onclick="goToInstall()">Avanti →</button></div>
+      <div class="nav-row"><button class="btn btn-ghost" onclick="goTab(3)">← Indietro</button><button class="btn btn-brand" onclick="goToInstall()">Avanti →</button></div>
     </div>
 
     <!-- Tab 6: Installa -->
@@ -270,7 +270,7 @@ html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--s
 
       <!-- Nav -->
       <div class="nav-row" id="install-nav">
-        <button class="btn btn-ghost" onclick="goTab(3)">← Indietro</button>
+        <button class="btn btn-ghost" onclick="goTab(4)">← Indietro</button>
         <button class="btn btn-ok" id="btn-install" onclick="avviaInstallazione()">🚀 Avvia installazione</button>
       </div>
     </div>