diff --git a/ui/src/components/Header.tsx b/ui/src/components/Header.tsx
index 7f76bcfd3..a5c32d4a8 100644
--- a/ui/src/components/Header.tsx
+++ b/ui/src/components/Header.tsx
@@ -31,7 +31,7 @@ export function Header() {
 
   return (
     <nav className="py-4 md:py-8 border-b">
-      <div className="max-w-6xl mx-auto px-4 md:px-6">
+      <div className="max-w-4xl mx-auto px-4 md:px-6">
         <div className="flex justify-between items-center">
           <Link href="/">
             <KAgentLogoWithText className="h-5" />