diff --git a/frontend/src/components/layout/Header.tsx b/frontend/src/components/layout/Header.tsx
index 70eae2b..a323037 100644
--- a/frontend/src/components/layout/Header.tsx
+++ b/frontend/src/components/layout/Header.tsx
@@ -56,6 +56,8 @@ export function Header({ onToggleSidebar }: HeaderProps) {
         <span className="sr-only">Navigation umschalten</span>
       </Button>
 
+      <span className="text-lg font-semibold">DAK Portal</span>
+
       <div className="flex-1" />
 
       {/* Dark mode toggle */}
diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index 2140399..87e2b1a 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -76,9 +76,8 @@ export function Sidebar({ className }: { className?: string }) {
 
   return (
     <aside className={cn('flex h-full flex-col gap-4 p-4', className)}>
-      <div className="flex items-center gap-2 px-3 py-2">
-        <img src={dakLogo} alt="DAK Gesundheit" className="h-11 w-auto" />
-        <span className="font-semibold text-lg">DAK Portal</span>
+      <div className="flex items-center justify-center px-3 py-2">
+        <img src={dakLogo} alt="DAK Gesundheit" className="h-14 w-auto" />
       </div>
 
       <nav className="flex flex-col gap-1">