diff --git a/Userland/DevTools/Profiler/TimelineContainer.cpp b/Userland/DevTools/Profiler/TimelineContainer.cpp
index 754e0b9586..d00a2b4ee2 100644
--- a/Userland/DevTools/Profiler/TimelineContainer.cpp
+++ b/Userland/DevTools/Profiler/TimelineContainer.cpp
@@ -51,6 +51,7 @@ void TimelineContainer::update_widget_sizes()
         m_header_container->do_layout();
         auto preferred_size = m_header_container->layout()->preferred_size();
         m_header_container->resize(preferred_size);
+        set_size_occupied_by_fixed_elements({ preferred_size.width(), 0 });
     }
 }