diff --git a/resources/profiles/PrusaResearch.ini b/resources/profiles/PrusaResearch.ini
index 1dd278455d..550ebea646 100644
--- a/resources/profiles/PrusaResearch.ini
+++ b/resources/profiles/PrusaResearch.ini
@@ -4238,6 +4238,7 @@ compatible_printers_condition = printer_notes=~/.*MK4IS.*/ and nozzle_diameter[0
 inherits = *MK4IS_common*
 renamed_from = "0.20mm Input Shaper @MK4IS 0.4"
 top_solid_infill_acceleration = 1500
+bottom_solid_layers = 3
 compatible_printers_condition = printer_notes=~/.*MK4IS.*/ and nozzle_diameter[0]==0.4 and printer_notes!~/.*HF_NOZZLE.*/
 
 [print:0.20mm SPEED @MK4IS HF0.4]
@@ -4274,7 +4275,7 @@ overhang_speed_3 = 90%
 inherits = *MK4IS_common*
 layer_height = 0.15
 top_solid_layers = 6
-bottom_solid_layers = 5
+bottom_solid_layers = 4
 support_material_contact_distance = 0.17
 raft_contact_distance = 0.15
 perimeter_speed = 170