diff --git a/packages/ui/src/stores/useUIStore.ts b/packages/ui/src/stores/useUIStore.ts
index 7d555937..92e073ce 100644
--- a/packages/ui/src/stores/useUIStore.ts
+++ b/packages/ui/src/stores/useUIStore.ts
@@ -882,7 +882,7 @@ export const useUIStore = create<UIStore>()(
         weekStartPreference: 'auto',
         mermaidRenderingMode: 'svg',
         userMessageRenderingMode: 'markdown',
-        stickyUserHeader: true,
+        stickyUserHeader: false,
         showSplitAssistantMessageActions: false,
         showMobileSessionStatusBar: false,
         isMobileSessionStatusBarCollapsed: false,