diff --git a/lib/doodstream-upload.js b/lib/doodstream-upload.js
index b672405..aac1baa 100644
--- a/lib/doodstream-upload.js
+++ b/lib/doodstream-upload.js
@@ -78,7 +78,7 @@ class DoodstreamUploader {
   /**
    * Login to DoodStream via web form
    */
-  async login(username, password) {
+  async login(username, password, otp) {
     // GET homepage first to collect cookies
     const homeRes = await this._fetch(BASE_URL);
     await homeRes.text();
@@ -88,7 +88,7 @@ class DoodstreamUploader {
       op: 'login_ajax',
       login: username,
       password: password,
-      loginotp: ''
+      loginotp: otp || ''
     });
 
     // Use raw fetch with redirect: 'manual' to detect success redirects
@@ -122,6 +122,11 @@ class DoodstreamUploader {
 
       if (json && json.status === 'success') {
         // Explicit success response
+      } else if (json && json.message && /otp/i.test(json.message)) {
+        // OTP required — signal caller to collect OTP from user
+        const err = new Error(`Doodstream Login: ${json.message}`);
+        err.otpRequired = true;
+        throw err;
       } else if (json && json.status === 'fail') {
         throw new Error(`Doodstream Login: ${json.message || 'Login fehlgeschlagen'}`);
       } else if (body.includes('Dashboard')) {
diff --git a/main.js b/main.js
index 8334ee8..cc61fa9 100644
--- a/main.js
+++ b/main.js
@@ -188,7 +188,7 @@ function buildUploadTasksFromJobs(config, jobs) {
   });
 }
 
-async function checkDoodstreamHealth(hosterConfig) {
+async function checkDoodstreamHealth(hosterConfig, otp) {
   const username = hosterConfig && hosterConfig.username
     ? String(hosterConfig.username).trim()
     : '';
@@ -199,7 +199,14 @@ async function checkDoodstreamHealth(hosterConfig) {
   // Login-based check (preferred)
   if (username && password) {
     const uploader = new DoodstreamUploader();
-    await uploader.login(username, password);
+    try {
+      await uploader.login(username, password, otp || undefined);
+    } catch (err) {
+      if (err.otpRequired) {
+        return { status: 'otp_required', message: err.message || 'OTP erforderlich' };
+      }
+      throw err;
+    }
     return { status: 'ok', message: 'Login ok, Upload-Seite bereit' };
   }
 
@@ -402,7 +409,7 @@ async function runHosterHealthCheck(config, requestedChecks) {
     checks = requestedChecks;
   }
 
-  const results = await Promise.all(checks.map(async ({ hoster, accountId }) => {
+  const results = await Promise.all(checks.map(async ({ hoster, accountId, otp }) => {
     if (!allowed.includes(hoster)) {
       return { hoster, accountId, status: 'skipped', message: 'Kein Health-Check fuer diesen Hoster' };
     }
@@ -414,7 +421,7 @@ async function runHosterHealthCheck(config, requestedChecks) {
     try {
       let result;
       if (hoster === 'doodstream.com') {
-        result = await withTimeout(checkDoodstreamHealth(hosterConfig), HEALTH_CHECK_TIMEOUT, 'Doodstream-Check');
+        result = await withTimeout(checkDoodstreamHealth(hosterConfig, otp), HEALTH_CHECK_TIMEOUT, 'Doodstream-Check');
       } else if (hoster === 'vidmoly.me') {
         result = await withTimeout(checkVidmolyHealth(hosterConfig), HEALTH_CHECK_TIMEOUT, 'Vidmoly-Check');
       } else if (hoster === 'voe.sx') {
diff --git a/renderer/app.js b/renderer/app.js
index 53dec2b..8534435 100644
--- a/renderer/app.js
+++ b/renderer/app.js
@@ -2627,6 +2627,7 @@ function openAccountModal(editAccountId) {
 
 function closeAccountModal() {
   document.getElementById('accountModal').style.display = 'none';
+  _hideOtpField();
   editingAccountId = null;
 }
 
@@ -2734,15 +2735,30 @@ async function saveAccount() {
   renderHosterModal();
   renderSettings();
 
-  // Run health check for this specific account
+  // Check if OTP was entered (for retry after OTP prompt)
+  const otpInput = document.getElementById('accField_otp');
+  const otp = otpInput ? otpInput.value.trim() : '';
+
+  // Run health check for this specific account (include OTP if provided)
+  const checkPayload = { hoster: hosterName, accountId };
+  if (otp) checkPayload.otp = otp;
+
   try {
-    const result = await window.api.runHealthCheck({ hosters: [{ hoster: hosterName, accountId }] });
+    const result = await window.api.runHealthCheck({ hosters: [checkPayload] });
     const rows = result && Array.isArray(result.results) ? result.results : [];
     const row = rows.find(r => r.accountId === accountId);
-    if (row && (row.status === 'ok' || row.status === 'warn')) {
+    if (row && row.status === 'otp_required') {
+      // Show OTP input field if not already visible
+      accountStatuses[accountId] = { status: 'error', message: row.message || 'OTP erforderlich' };
+      statusEl.textContent = row.message || 'OTP wurde an deine E-Mail gesendet.';
+      statusEl.className = 'account-modal-status error';
+      _showOtpField();
+      saveBtn.textContent = 'OTP bestätigen';
+    } else if (row && (row.status === 'ok' || row.status === 'warn')) {
       accountStatuses[accountId] = { status: row.status || 'ok', message: row.message || '' };
       statusEl.textContent = row.status === 'warn' ? row.message || 'Prüfung mit Warnung abgeschlossen.' : 'Login erfolgreich!';
       statusEl.className = 'account-modal-status ok';
+      _hideOtpField();
       setTimeout(() => closeAccountModal(), 1200);
     } else {
       const msg = (row && row.message) || 'Login fehlgeschlagen';
@@ -2764,6 +2780,24 @@ async function saveAccount() {
   }
 }
 
+function _showOtpField() {
+  if (document.getElementById('accField_otp')) return; // already visible
+  const container = document.getElementById('accountCredsFields');
+  const otpHtml = `
+    <div class="settings-row" id="otpFieldRow">
+      <label>OTP Code</label>
+      <input type="text" class="key-input" id="accField_otp" placeholder="6-stelliger Code aus E-Mail" autocomplete="one-time-code" inputmode="numeric" maxlength="10">
+    </div>`;
+  container.insertAdjacentHTML('beforeend', otpHtml);
+  // Auto-focus the OTP field
+  setTimeout(() => document.getElementById('accField_otp')?.focus(), 50);
+}
+
+function _hideOtpField() {
+  const row = document.getElementById('otpFieldRow');
+  if (row) row.remove();
+}
+
 // --- History ---
 async function loadHistory() {
   const history = await window.api.getHistory();