diff --git a/desktop/src/components/ChatArea.tsx b/desktop/src/components/ChatArea.tsx
index 1a4698c..8fd93a1 100644
--- a/desktop/src/components/ChatArea.tsx
+++ b/desktop/src/components/ChatArea.tsx
@@ -266,7 +266,7 @@ export function ChatArea() {
   );
 
   return (
-    <div className="relative h-full">
+    <div className="relative flex-1 min-h-0">
     {/* Generation progress overlay */}
     <AnimatePresence>
       {generating && (