diff --git a/selfdrive/ui/qt/onroad/model.cc b/selfdrive/ui/qt/onroad/model.cc
index 12c0349e42..5228d960f7 100644
--- a/selfdrive/ui/qt/onroad/model.cc
+++ b/selfdrive/ui/qt/onroad/model.cc
@@ -55,7 +55,7 @@ void ModelRenderer::draw(QPainter &painter, const QRect &surface_rect) {
         }
         QPointF screen_pt;
         if (mapToScreen(d_pred, -y_pred, path_offset_z, &screen_pt)) {
-          drawRadarPoint(painter, screen_pt, track.getVRel(), 10);
+          drawRadarPoint(painter, screen_pt, track.getVRel(), 10.0f);
         }
       }
     }