diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 54bd3b5d1886..c04c3a0b398d 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -5506,8 +5506,8 @@ static void ShowExampleAppCustomRendering(bool* p_open)
                                 //draw_list->PathArcTo(canvas_center, radius, angle_start, angle_end, segment_count);
 # if defined(IM_DRAWLIST_ARCFAST_SAMPLES)
                                 draw_list->PathArcToFast2(canvas_center, radius,
-                                    (int)(angle_start * 48 / (PI * 2.0f)),
-                                    (int)(angle_end   * 48 / (PI * 2.0f))
+                                    (int)(angle_start * IM_DRAWLIST_ARCFAST_SAMPLES / (PI * 2.0f)),
+                                    (int)(angle_end   * IM_DRAWLIST_ARCFAST_SAMPLES / (PI * 2.0f))
                                 );
 # else
                                 draw_list->PathArcToFast(canvas_center, radius,