diff --git a/y2019/vision/debug_viewer.cc b/y2019/vision/debug_viewer.cc
index b282367..2bc41ac 100644
--- a/y2019/vision/debug_viewer.cc
+++ b/y2019/vision/debug_viewer.cc
@@ -139,7 +139,7 @@
 
     // Calculate each component side of a possible target.
     std::vector<TargetComponent> target_component_list =
-        target_finder_.FillTargetComponentList(raw_polys);
+        target_finder_.FillTargetComponentList(raw_polys, draw_components_);
     if (draw_components_) {
       for (const TargetComponent &comp : target_component_list) {
         DrawComponent(comp, {0, 255, 255}, {0, 255, 255}, {255, 0, 0},