diff --git a/resources/variants/cartesio_0.4.inst.cfg b/resources/variants/cartesio_0.4.inst.cfg
index f1030ab309..72ba689d91 100644
--- a/resources/variants/cartesio_0.4.inst.cfg
+++ b/resources/variants/cartesio_0.4.inst.cfg
@@ -12,6 +12,8 @@ type = variant
 machine_nozzle_size = 0.4
 machine_nozzle_tip_outer_diameter = 0.8
 
+infill_line_width = 0.5
+
 wall_thickness = 1.2
 wall_0_inset = -0.05
 fill_perimeter_gaps = nowhere