diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index a412aae25..a79e9c4af 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1674,7 +1674,7 @@ static void ShowExampleAppCustomRendering(bool* opened)
     }
     draw_list->PushClipRect(ImVec4(canvas_pos.x, canvas_pos.y, canvas_pos.x+canvas_size.x, canvas_pos.y+canvas_size.y));      // clip lines within the canvas (if we resize it, etc.)
     for (int i = 0; i < points.Size - 1; i += 2)
-        draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i+1].x, canvas_pos.y + points[i+1].y), 0xFF00FFFF);
+        draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i+1].x, canvas_pos.y + points[i+1].y), 0xFF00FFFF, 2.0f);
     draw_list->PopClipRect();
     if (adding_preview)
         points.pop_back();