diff --git a/selfdrive/ui/qt/onroad.cc b/selfdrive/ui/qt/onroad.cc
index db4508b..8db8372 100644
--- a/selfdrive/ui/qt/onroad.cc
+++ b/selfdrive/ui/qt/onroad.cc
@@ -114,7 +114,7 @@ void OnroadWindow::updateState(const UIState &s) {
 
   if (bg != bgColor) {
     bg = bgColor;
-    nvg.updateLaneEdgeColor(bg);
+    nvg->updateLaneEdgeColor(bg);
     update();
   }
 }