diff --git a/Slic3r settings MK2/filament/Prusa HIPS 1.75mm.ini b/Slic3r settings MK2/filament/Prusa HIPS 1.75mm.ini
index 8fd8491..08a3962 100644
--- a/Slic3r settings MK2/filament/Prusa HIPS 1.75mm.ini	
+++ b/Slic3r settings MK2/filament/Prusa HIPS 1.75mm.ini	
@@ -17,8 +17,8 @@ filament_soluble = 0
 filament_type = HIPS
 first_layer_bed_temperature = 100
 first_layer_temperature = 220
-max_fan_speed = 50
-min_fan_speed = 40
+max_fan_speed = 20
+min_fan_speed = 20
 min_print_speed = 5
 slowdown_below_layer_time = 5
 temperature = 220