diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index 67da8db3f..939b5a2fb 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -97,7 +97,7 @@ void update_model(UIState *s,
   int max_idx = get_path_length_idx(lane_lines[0], max_distance);
   for (int i = 0; i < std::size(scene.lane_line_vertices); i++) {
     scene.lane_line_probs[i] = lane_line_probs[i];
-    update_line_data(s, lane_lines[i], 0.025 * scene.lane_line_probs[i], 0, &scene.lane_line_vertices[i], max_idx);
+    update_line_data(s, lane_lines[i], (scene.model_ui ? scene.lane_line_width : 0.025) * scene.lane_line_probs[i], 0, &scene.lane_line_vertices[i], max_idx);
   }
 
   // update road edges
@@ -403,6 +403,7 @@ void ui_update_frogpilot_params(UIState *s, Params &params) {
   scene.model_ui = params.getBool("ModelUI");
   scene.dynamic_path_width = scene.model_ui && params.getBool("DynamicPathWidth");
   scene.hide_lead_marker = scene.model_ui && params.getBool("HideLeadMarker");
+  scene.lane_line_width = params.getInt("LaneLinesWidth") * (scene.is_metric ? 1.0f : INCH_TO_CM) / 200.0f;
 
   bool quality_of_life_controls = params.getBool("QOLControls");
   scene.reverse_cruise = quality_of_life_controls && params.getBool("ReverseCruise");
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index c3aa5ede1..1e42a1669 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -204,6 +204,7 @@ typedef struct UIScene {
   float adjusted_cruise;
   float friction;
   float lane_detection_width;
+  float lane_line_width;
   float lane_width_left;
   float lane_width_right;
   float lat_accel;