diff --git a/desktop/src/features/messages/ui/MessageThreadPanel.tsx b/desktop/src/features/messages/ui/MessageThreadPanel.tsx
index 06b12a274..cb3bc0b5a 100644
--- a/desktop/src/features/messages/ui/MessageThreadPanel.tsx
+++ b/desktop/src/features/messages/ui/MessageThreadPanel.tsx
@@ -383,7 +383,7 @@ export function MessageThreadPanel({
   const threadScrollRegion = (
     <div
       className={cn(
-        "min-h-0 flex-1 overflow-y-auto overflow-x-hidden overscroll-contain pb-24",
+        "min-h-0 flex-1 overflow-y-auto overflow-x-hidden overscroll-contain pb-24 [overflow-anchor:none]",
         isSplitLayout && auxiliaryPanelContentPaddingClass,
         !isSplitLayout && !isFloatingOverlay && "pt-[4.75rem]",
       )}
diff --git a/desktop/src/features/messages/ui/MessageTimeline.tsx b/desktop/src/features/messages/ui/MessageTimeline.tsx
index c3ea9b3ee..2ef6d453d 100644
--- a/desktop/src/features/messages/ui/MessageTimeline.tsx
+++ b/desktop/src/features/messages/ui/MessageTimeline.tsx
@@ -307,7 +307,7 @@ const MessageTimelineBase = React.forwardRef<
         ) : null}
         <div
           className={cn(
-            "absolute inset-0 overflow-y-auto overflow-x-hidden overscroll-contain px-2 pt-1",
+            "absolute inset-0 overflow-y-auto overflow-x-hidden overscroll-contain px-2 pt-1 [overflow-anchor:none]",
             hasComposerOverlay ? "pb-24" : "pb-4",
           )}
           data-scroll-restoration-id={scrollRestorationId}