diff --git a/frontend/src/pages/CalendarPage.tsx b/frontend/src/pages/CalendarPage.tsx
index 4074352..4359400 100644
--- a/frontend/src/pages/CalendarPage.tsx
+++ b/frontend/src/pages/CalendarPage.tsx
@@ -238,7 +238,15 @@ export default function CalendarPage() {
 
   return (
     <div style={{ display: 'flex', flexDirection: 'column', height: '100%', minWidth: 0 }}>
-      <PageHeader title="Kalender">
+      <PageHeader
+        title="Kalender"
+        icon={
+          <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+            <rect x="3" y="5" width="18" height="16" rx="2" />
+            <path d="M3 10h18M8 3v4M16 3v4" />
+          </svg>
+        }
+      >
         <div style={{ display: 'flex', gap: 6 }}>
           {(['month', 'week', 'list'] as ViewMode[]).map(m => (
             <button key={m} onClick={() => setViewMode(m)} style={{