diff --git a/frontend/src/dialogues/chat/MultiChatDialog.vue b/frontend/src/dialogues/chat/MultiChatDialog.vue
index 0f9728a..81c76d6 100644
--- a/frontend/src/dialogues/chat/MultiChatDialog.vue
+++ b/frontend/src/dialogues/chat/MultiChatDialog.vue
@@ -75,14 +75,6 @@
                                 <option value="private">private</option>
                             </select>
                         </label>
-                        <label>
-                            public=true|false
-                            <select v-model="roomCreateForm.publicFlag">
-                                <option value="">(keine)</option>
-                                <option value="true">true</option>
-                                <option value="false">false</option>
-                            </select>
-                        </label>
                         <label>
                             gender
                             <select v-model="roomCreateForm.gender">
@@ -283,7 +275,6 @@ export default {
             roomCreateForm: {
                 roomName: '',
                 visibility: '',
-                publicFlag: '',
                 gender: '',
                 minAge: null,
                 maxAge: null,
@@ -348,7 +339,6 @@ export default {
             return {
                 roomName: '',
                 visibility: '',
-                publicFlag: '',
                 gender: '',
                 minAge: null,
                 maxAge: null,
@@ -379,9 +369,10 @@ export default {
             const name = (this.roomCreateForm.roomName || '').trim();
             if (!name) return '';
             const parts = ['/cr', name];
-            if (this.roomCreateForm.visibility) parts.push(this.roomCreateForm.visibility);
-            if (this.roomCreateForm.publicFlag === 'true' || this.roomCreateForm.publicFlag === 'false') {
-                parts.push(`public=${this.roomCreateForm.publicFlag}`);
+            if (this.roomCreateForm.visibility === 'public') {
+                parts.push('public', 'public=true');
+            } else if (this.roomCreateForm.visibility === 'private') {
+                parts.push('private', 'public=false');
             }
             if (this.roomCreateForm.gender) parts.push(`gender=${this.roomCreateForm.gender}`);
             const minAge = this.parseOptionalInteger(this.roomCreateForm.minAge);