diff --git a/backend/src/controllers/booking.controller.ts b/backend/src/controllers/booking.controller.ts
index d77ddf5..3591316 100644
--- a/backend/src/controllers/booking.controller.ts
+++ b/backend/src/controllers/booking.controller.ts
@@ -226,8 +226,8 @@ class BookingController {
       const isOwner = booking.gebucht_von === req.user!.id;
       const groups: string[] = req.user?.groups ?? [];
       const isAdmin = groups.includes('dashboard_admin');
-      const canCancelOwn = isAdmin || permissionService.hasPermission(groups, 'kalender:manage_bookings');
-      const canCancelAny = isAdmin || permissionService.hasPermission(groups, 'kalender:manage_bookings');
+      const canCancelOwn = isAdmin || permissionService.hasPermission(groups, 'fahrzeugbuchungen:manage');
+      const canCancelAny = isAdmin || permissionService.hasPermission(groups, 'fahrzeugbuchungen:manage');
 
       if (!(isOwner && canCancelOwn) && !canCancelAny) {
         res.status(403).json({ success: false, message: 'Keine Berechtigung' });
diff --git a/backend/src/routes/booking.routes.ts b/backend/src/routes/booking.routes.ts
index 1cd7d97..fd0b5c7 100644
--- a/backend/src/routes/booking.routes.ts
+++ b/backend/src/routes/booking.routes.ts
@@ -18,15 +18,15 @@ router.get('/calendar-token', authenticate, bookingController.getCalendarToken.b
 
 // ── Write operations ──────────────────────────────────────────────────────────
 
-router.post('/',     authenticate, requirePermission('kalender:manage_bookings'), bookingController.create.bind(bookingController));
-router.patch('/:id', authenticate, requirePermission('kalender:manage_bookings'), bookingController.update.bind(bookingController));
+router.post('/',     authenticate, requirePermission('fahrzeugbuchungen:create'), bookingController.create.bind(bookingController));
+router.patch('/:id', authenticate, requirePermission('fahrzeugbuchungen:manage'), bookingController.update.bind(bookingController));
 
 // Soft-cancel (sets abgesagt=TRUE) — creator or bookings:write
 router.delete('/:id',       authenticate, bookingController.cancel.bind(bookingController));
 router.patch('/:id/cancel', authenticate, bookingController.cancel.bind(bookingController));
 
 // Hard-delete (admin only)
-router.delete('/:id/force', authenticate, requirePermission('kalender:manage_bookings'), bookingController.hardDelete.bind(bookingController));
+router.delete('/:id/force', authenticate, requirePermission('fahrzeugbuchungen:manage'), bookingController.hardDelete.bind(bookingController));
 
 // ── Single booking read — after specific routes to avoid path conflicts ───────
 
diff --git a/backend/src/routes/buchungskategorie.routes.ts b/backend/src/routes/buchungskategorie.routes.ts
index c917a72..7da2ee3 100644
--- a/backend/src/routes/buchungskategorie.routes.ts
+++ b/backend/src/routes/buchungskategorie.routes.ts
@@ -9,7 +9,7 @@ const router = Router();
 router.get(
   '/',
   authenticate,
-  requirePermission('kalender:view_bookings'),
+  requirePermission('fahrzeugbuchungen:view'),
   buchungskategorieController.list.bind(buchungskategorieController)
 );
 
@@ -17,7 +17,7 @@ router.get(
 router.get(
   '/active',
   authenticate,
-  requirePermission('kalender:view_bookings'),
+  requirePermission('fahrzeugbuchungen:view'),
   buchungskategorieController.listActive.bind(buchungskategorieController)
 );
 
@@ -25,7 +25,7 @@ router.get(
 router.post(
   '/',
   authenticate,
-  requirePermission('kalender:manage_bookings'),
+  requirePermission('fahrzeugbuchungen:manage'),
   buchungskategorieController.create.bind(buchungskategorieController)
 );
 
@@ -33,7 +33,7 @@ router.post(
 router.patch(
   '/:id',
   authenticate,
-  requirePermission('kalender:manage_bookings'),
+  requirePermission('fahrzeugbuchungen:manage'),
   buchungskategorieController.update.bind(buchungskategorieController)
 );
 
@@ -41,7 +41,7 @@ router.patch(
 router.delete(
   '/:id',
   authenticate,
-  requirePermission('kalender:manage_bookings'),
+  requirePermission('fahrzeugbuchungen:manage'),
   buchungskategorieController.deactivate.bind(buchungskategorieController)
 );
 
@@ -49,7 +49,7 @@ router.delete(
 router.delete(
   '/:id/permanent',
   authenticate,
-  requirePermission('kalender:manage_bookings'),
+  requirePermission('fahrzeugbuchungen:manage'),
   buchungskategorieController.remove.bind(buchungskategorieController)
 );
 
diff --git a/backend/src/services/permission.service.ts b/backend/src/services/permission.service.ts
index 0e87f59..fe810fc 100644
--- a/backend/src/services/permission.service.ts
+++ b/backend/src/services/permission.service.ts
@@ -14,11 +14,11 @@ const DEFAULT_GROUP_HIERARCHY: Record<string, string[]> = {
 
 const DEFAULT_PERMISSION_DEPS: Record<string, string[]> = {
   'kalender:create': ['kalender:view'],
-  'kalender:view_bookings': ['kalender:view'],
-  'kalender:manage_bookings': ['kalender:view', 'kalender:view_bookings'],
   'kalender:widget_events': ['kalender:view'],
-  'kalender:widget_bookings': ['kalender:view'],
   'kalender:widget_quick_add': ['kalender:view', 'kalender:create'],
+  'fahrzeugbuchungen:create': ['fahrzeugbuchungen:view'],
+  'fahrzeugbuchungen:manage': ['fahrzeugbuchungen:view', 'fahrzeugbuchungen:create'],
+  'fahrzeugbuchungen:widget': ['fahrzeugbuchungen:view'],
   'fahrzeuge:create': ['fahrzeuge:view'],
   'fahrzeuge:change_status': ['fahrzeuge:view'],
   'fahrzeuge:manage_maintenance': ['fahrzeuge:view'],
diff --git a/frontend/src/components/shared/Sidebar.tsx b/frontend/src/components/shared/Sidebar.tsx
index cdac9b6..be7f516 100644
--- a/frontend/src/components/shared/Sidebar.tsx
+++ b/frontend/src/components/shared/Sidebar.tsx
@@ -27,6 +27,7 @@ import {
   ExpandLess,
   LocalShipping,
   BugReport,
+  BookOnline,
 } from '@mui/icons-material';
 import { useNavigate, useLocation } from 'react-router-dom';
 import { useQuery } from '@tanstack/react-query';
@@ -49,11 +50,6 @@ interface NavigationItem {
   permission?: string;
 }
 
-const kalenderSubItems: SubItem[] = [
-  { text: 'Veranstaltungen', path: '/kalender' },
-  { text: 'Fahrzeugbuchungen', path: '/fahrzeugbuchungen' },
-];
-
 const adminSubItems: SubItem[] = [
   { text: 'Services', path: '/admin?tab=0' },
   { text: 'System', path: '/admin?tab=1' },
@@ -77,9 +73,14 @@ const baseNavigationItems: NavigationItem[] = [
     text: 'Kalender',
     icon: <CalendarMonth />,
     path: '/kalender',
-    subItems: kalenderSubItems,
     permission: 'kalender:view',
   },
+  {
+    text: 'Fahrzeugbuchungen',
+    icon: <BookOnline />,
+    path: '/fahrzeugbuchungen',
+    permission: 'fahrzeugbuchungen:view',
+  },
   {
     text: 'Fahrzeuge',
     icon: <DirectionsCar />,
diff --git a/frontend/src/pages/Dashboard.tsx b/frontend/src/pages/Dashboard.tsx
index c56bb2a..57a70ab 100644
--- a/frontend/src/pages/Dashboard.tsx
+++ b/frontend/src/pages/Dashboard.tsx
@@ -170,7 +170,7 @@ function Dashboard() {
               </Fade>
             )}
 
-            {hasPermission('kalender:view_bookings') && widgetVisible('vehicleBookingList') && (
+            {hasPermission('fahrzeugbuchungen:view') && widgetVisible('vehicleBookingList') && (
               <Fade in={!dataLoading} timeout={600} style={{ transitionDelay: '520ms' }}>
                 <Box>
                   <VehicleBookingListWidget />
@@ -178,7 +178,7 @@ function Dashboard() {
               </Fade>
             )}
 
-            {hasPermission('kalender:manage_bookings') && widgetVisible('vehicleBooking') && (
+            {hasPermission('fahrzeugbuchungen:manage') && widgetVisible('vehicleBooking') && (
               <Fade in={!dataLoading} timeout={600} style={{ transitionDelay: '560ms' }}>
                 <Box>
                   <VehicleBookingQuickAddWidget />
diff --git a/frontend/src/pages/FahrzeugBuchungen.tsx b/frontend/src/pages/FahrzeugBuchungen.tsx
index 6274271..a45c491 100644
--- a/frontend/src/pages/FahrzeugBuchungen.tsx
+++ b/frontend/src/pages/FahrzeugBuchungen.tsx
@@ -98,8 +98,8 @@ function FahrzeugBuchungen() {
   const navigate = useNavigate();
   const queryClient = useQueryClient();
 
-  const canCreate = hasPermission('kalender:create');
-  const canManage = hasPermission('kalender:manage_bookings');
+  const canCreate = hasPermission('fahrzeugbuchungen:create');
+  const canManage = hasPermission('fahrzeugbuchungen:manage');
 
   const [tabIndex, setTabIndex] = useState(0);