diff --git a/bundled-addons/pithos/addon.json b/bundled-addons/pithos/addon.json
index b3e6c813..92b0513f 100644
--- a/bundled-addons/pithos/addon.json
+++ b/bundled-addons/pithos/addon.json
@@ -1,7 +1,7 @@
 {
   "id": "pithos",
   "name": "Pithos",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Run s3d, the Sia S3 gateway, from the Theseus sidebar: connect it to a Sia indexer, create S3 users and access keys, browse and share buckets, and watch uploads reach Sia.",
   "author": "Silent Mode",
   "icon": "data:image/svg+xml;base64,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",
diff --git a/bundled-addons/pithos/ui/app.js b/bundled-addons/pithos/ui/app.js
index bc58ecaa..2121f12e 100644
--- a/bundled-addons/pithos/ui/app.js
+++ b/bundled-addons/pithos/ui/app.js
@@ -388,17 +388,27 @@ function getStarted(main) {
         content = [
           h('h2', {}, 'Create your Sia Storage account'),
           h('p', {}, 'Sia Storage runs the indexer that rents space from Sia hosts for you. The free plan gives you 50 GB; you sign up with Sia Storage directly, and Pithos never sees your account password.'),
-          h('div', { class: 'row' },
-            h('button', { class: 'btn primary', onclick: () => openLink('https://sia.storage') }, 'Open sia.storage ↗'),
-            h('span', { class: 'muted small' }, 'Sign up there, then come back and press Next.')),
-          h('label', { class: 'check', style: 'margin-top:18px' },
+          !wiz.ownIndexer && [
+            h('div', { class: 'row' },
+              h('button', { class: wiz.accountReady ? 'btn' : 'btn primary', onclick: () => openLink('https://sia.storage') }, 'Open sia.storage ↗'),
+              h('span', { class: 'muted small' }, 'Sign up or sign in there, then come back here.')),
+            // Pithos cannot see the sia.storage tab, so the user confirms; the
+            // Connect step proves it anyway, since approving needs a signed-in account.
+            h('label', { class: 'check', style: 'margin-top:16px' },
+              h('input', { type: 'checkbox', checked: !!wiz.accountReady, onchange: (e) => { wiz.accountReady = e.target.checked; draw(); } }),
+              'I have created my Sia Storage account and I am signed in'),
+          ],
+          h('label', { class: 'check', style: 'margin-top:12px' },
             h('input', { type: 'checkbox', checked: wiz.ownIndexer, onchange: (e) => { wiz.ownIndexer = e.target.checked; if (!wiz.ownIndexer) wiz.indexerUrl = 'https://sia.storage'; draw(); } }),
             'I run my own indexer instead'),
           wiz.ownIndexer && h('label', { class: 'field', style: 'margin-top:8px' }, h('span', {}, 'Indexer URL'), url),
-          nav({ nextLabel: 'I have an account — Next', onNext: () => {
-            if (!/^https?:\/\/\S+$/.test(wiz.indexerUrl)) return toast('Enter the indexer URL', 'error');
-            go(2);
-          } }),
+          nav({
+            nextDisabled: !wiz.ownIndexer && !wiz.accountReady,
+            onNext: () => {
+              if (!/^https?:\/\/\S+$/.test(wiz.indexerUrl)) return toast('Enter the indexer URL', 'error');
+              go(2);
+            },
+          }),
         ];
         break;
       }