diff --git a/kate/chat_renderer.cpp b/kate/chat_renderer.cpp
index 4aebc5c..1106d02 100644
--- a/kate/chat_renderer.cpp
+++ b/kate/chat_renderer.cpp
@@ -540,7 +540,13 @@ void ChatRenderer::render(QTextEdit *view, const QString &rawText)
     view->setHtml(html);
 
     if (atBottom) {
-        sb->setValue(sb->maximum());
+        // Move cursor to end and ensure visible — this forces layout and
+        // scrolls reliably, unlike sb->setValue(sb->maximum()) which can
+        // read a stale maximum before relayout completes.
+        QTextCursor cursor = view->textCursor();
+        cursor.movePosition(QTextCursor::End);
+        view->setTextCursor(cursor);
+        view->ensureCursorVisible();
     } else {
         // Restore exact scroll position — clamp to new maximum
         sb->setValue(qMin(savedPos, sb->maximum()));