diff --git a/resources/variants/cartesio_0.8.inst.cfg b/resources/variants/cartesio_0.8.inst.cfg
index d84a45e615..0f6fda119a 100644
--- a/resources/variants/cartesio_0.8.inst.cfg
+++ b/resources/variants/cartesio_0.8.inst.cfg
@@ -10,3 +10,5 @@ type = variant
 [values]
 machine_nozzle_size = 0.8
 machine_nozzle_tip_outer_diameter = 1.05
+
+prime_tower_line_width = 0.69