diff --git a/rpcs3/Emu/RSX/Overlays/overlay_perf_metrics.cpp b/rpcs3/Emu/RSX/Overlays/overlay_perf_metrics.cpp
index 412f5f354f..0b8a3c97ac 100644
--- a/rpcs3/Emu/RSX/Overlays/overlay_perf_metrics.cpp
+++ b/rpcs3/Emu/RSX/Overlays/overlay_perf_metrics.cpp
@@ -841,7 +841,7 @@ namespace rsx
 
 				for (auto y_off = m_guide_interval; y_off < m_max; y_off += m_guide_interval)
 				{
-					const f32 guide_y = y + y_off * normalize_factor;
+					const f32 guide_y = y + h - y_off * normalize_factor;
 					verts_guides.emplace_back(x, guide_y);
 					verts_guides.emplace_back(static_cast<float>(x + w), guide_y);
 				}