diff --git a/src/libslic3r/calib.hpp b/src/libslic3r/calib.hpp
index 2ef39910eb..b0b186472c 100644
--- a/src/libslic3r/calib.hpp
+++ b/src/libslic3r/calib.hpp
@@ -179,7 +179,7 @@ private:
         DrawBoxOptArgs(const CalibPressureAdvancePattern& p) :
             num_perimeters {p.wall_count()},
             height {p.height_first_layer()},
-            line_width {p.line_width()},
+            line_width {p.line_width_anchor()},
             speed {p.speed_adjust(p.speed_first_layer())}
         { };