diff --git a/src/slic3r/GUI/Widgets/AMSItem.cpp b/src/slic3r/GUI/Widgets/AMSItem.cpp
index 2d62f6dbf..b808a2567 100644
--- a/src/slic3r/GUI/Widgets/AMSItem.cpp
+++ b/src/slic3r/GUI/Widgets/AMSItem.cpp
@@ -2328,8 +2328,8 @@ void AMSRoadDownPart::doRender(wxDC& dc)
             dc.DrawLine(left_nozzle_pos.x - FromDIP(218), 0, left_nozzle_pos.x - FromDIP(218), (size.y / 2));
             break;
         case AMSRoadShowMode::AMS_ROAD_MODE_SINGLE:
-            dc.DrawLine(left_nozzle_pos.x - FromDIP(192), (size.y / 2), left_nozzle_pos.x, (size.y / 2));
-            dc.DrawLine(left_nozzle_pos.x - FromDIP(192), 0, left_nozzle_pos.x - FromDIP(192), (size.y / 2));
+            dc.DrawLine(left_nozzle_pos.x - FromDIP((129)), (size.y / 2), left_nozzle_pos.x, (size.y / 2));
+            dc.DrawLine(left_nozzle_pos.x - FromDIP((129)), 0, left_nozzle_pos.x - FromDIP((129)), (size.y / 2));
             break;
         case AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE:
             dc.DrawLine(left_nozzle_pos.x, 0, left_nozzle_pos.x, size.y);