diff --git a/apps/web/src/components/review/ReviewTab.tsx b/apps/web/src/components/review/ReviewTab.tsx
index 494a7f9..ec78480 100644
--- a/apps/web/src/components/review/ReviewTab.tsx
+++ b/apps/web/src/components/review/ReviewTab.tsx
@@ -333,10 +333,10 @@ export function ReviewTab({ initiativeId }: ReviewTabProps) {
       />
 
       {/* Main content area — sidebar always rendered to preserve state */}
-      <div className="grid grid-cols-1 lg:grid-cols-[260px_1fr] overflow-hidden rounded-b-lg">
-        {/* Left: Sidebar — sticky so icon strip stays visible */}
+      <div className="grid grid-cols-1 lg:grid-cols-[260px_1fr] rounded-b-lg">
+        {/* Left: Sidebar — sticky to viewport, scrolls independently */}
         <div className="border-r border-border">
-          <div className="sticky top-0 h-[calc(100vh-12rem)]">
+          <div className="sticky top-0 h-screen max-h-[calc(100vh-4rem)] overflow-hidden">
             <ReviewSidebar
               files={allFiles}
               comments={comments}