diff --git a/resources/variants/cartesio_0.8.inst.cfg b/resources/variants/cartesio_0.8.inst.cfg
index b82f0436c7..772ede33fb 100644
--- a/resources/variants/cartesio_0.8.inst.cfg
+++ b/resources/variants/cartesio_0.8.inst.cfg
@@ -39,6 +39,7 @@ speed_topbottom = =round(speed_print / 5 * 4)
 speed_slowdown_layers = 1
 speed_travel = =round(speed_print if magic_spiralize else 150)
 speed_travel_layer_0 = =round(speed_travel)
+speed_support_interface = =round(speed_topbottom)
 
 retraction_combing = off
 retraction_hop_enabled = true