diff --git a/Slic3r settings MK2MM/print/0.15mm OPTIMAL.ini b/Slic3r settings MK2MM/print/0.15mm OPTIMAL.ini
index 1f9bb08..a9c55d0 100644
--- a/Slic3r settings MK2MM/print/0.15mm OPTIMAL.ini	
+++ b/Slic3r settings MK2MM/print/0.15mm OPTIMAL.ini	
@@ -24,7 +24,7 @@ fill_pattern = cubic
 first_layer_acceleration = 1000
 first_layer_extrusion_width = 0.42
 first_layer_height = 0.2
-first_layer_speed = 70%
+first_layer_speed = 30
 gap_fill_speed = 40
 gcode_comments = 0
 infill_acceleration = 2000