diff --git a/README.md b/README.md
index 8c8a65f..f8d039c 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ up but links break if the file is missing or malformed.
 | `jitsiLauncher` | Domain of this Jitsi launcher. Used for the meeting URLs created by the meeting creator (Nextcloud, adhoc link). |
 | `jitsiHost` | Jitsi domain. Used for the browser fallback URL, the desktop protocol URL and the UID of generated ICS files. |
 | `nextcloudBase` | Nextcloud instance for calendar event creation. The "Create in Nextcloud Calendar" button is only shown if this is set. |
+| `allowAdhocMeetings` | Whether adhoc meetings are allowed. The "Create Adhoc Link" button is only shown if this is `true`. |
 | `launchTimeout` | Timeout in ms before the browser fallback is shown after trying to start the jitsi-meet-electron client. |
 | `backgroundImage` | Path to the page background image. Empty: no background. |
 | `logo` | Path to the logo shown in the logo bar. Empty: logo bar stays hidden. |
diff --git a/assets/config.json b/assets/config.json
index e9b3a3f..a6d8d1e 100644
--- a/assets/config.json
+++ b/assets/config.json
@@ -2,6 +2,7 @@
   "jitsiLauncher": "meet.bnvb.eu",
   "jitsiHost": "meet.bnvb-ingenieure.de",
   "nextcloudBase": "https://cloud.bnvb-ingenieure.de",
+  "allowAdhocMeetings": true,
   "launchTimeout": 2000,
   "backgroundImage": "assets/images/background.png",
   "logo": "assets/images/logo.svg",
@@ -11,5 +12,6 @@
     "linux": "https://github.com/jitsi/jitsi-meet-electron/releases",
     "ios": "https://apps.apple.com/app/jitsi-meet/id1165103905",
     "android": "https://play.google.com/store/apps/details?id=org.jitsi.meet"
-  }
+  },
+  "allowAdhocMeetings": true
 }
diff --git a/assets/launch.js b/assets/launch.js
index c02a055..8b817bb 100644
--- a/assets/launch.js
+++ b/assets/launch.js
@@ -313,6 +313,23 @@ function applyNextcloudButton() {
   createNextcloudButton.classList.remove("hidden");
 }
 
+/* ============================================================
+ * ADHOC BUTTON
+ * ============================================================
+ */
+
+/*
+ * Nur anzeigen, wenn explizit aktiviert
+ * (CONFIG.allowAdhocMeetings in assets/config.json).
+ */
+function applyAdhocButton() {
+  if (!CONFIG.allowAdhocMeetings || !createAdhocButton) {
+    return;
+  }
+
+  createAdhocButton.classList.remove("hidden");
+}
+
 /* ============================================================
  * DOM elements
  * ============================================================
@@ -1467,6 +1484,7 @@ async function start() {
   applyBackgroundImage();
   applyLogo();
   applyNextcloudButton();
+  applyAdhocButton();
 
   await loadTranslations();
 
diff --git a/launch.html b/launch.html
index 9e6c2dd..86c1dc8 100644
--- a/launch.html
+++ b/launch.html
@@ -292,7 +292,7 @@
             <button id="createNextcloudButton" class="button primary hidden" type="button" data-i18n="creator.nextcloudButton">
                 Create in Nextcloud Calendar
             </button>
-            <button id="createAdhocButton" class="button secondary" type="button" data-i18n="creator.adhocButton">
+            <button id="createAdhocButton" class="button secondary hidden" type="button" data-i18n="creator.adhocButton">
               Create Adhoc Link
             </button>
             <button id="cancelCreateButton" class="button secondary" type="button" data-i18n="creator.cancelButton">