diff --git a/implot_items.cpp b/implot_items.cpp
index 4abbb64..477980a 100644
--- a/implot_items.cpp
+++ b/implot_items.cpp
@@ -673,8 +673,8 @@ struct ShadedRenderer {
         DrawList._IdxWritePtr[1] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1 + intersect);
         DrawList._IdxWritePtr[2] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3);
         DrawList._IdxWritePtr[3] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1);
-        DrawList._IdxWritePtr[4] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3 - intersect);
-        DrawList._IdxWritePtr[5] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 4);
+        DrawList._IdxWritePtr[4] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 4);
+        DrawList._IdxWritePtr[5] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3 - intersect);
         DrawList._IdxWritePtr += 6;
         DrawList._VtxCurrentIdx += 5;
         P11 = P21;