diff --git a/resources/profiles/PrusaResearch.ini b/resources/profiles/PrusaResearch.ini
index 550ebea646..c795d80402 100644
--- a/resources/profiles/PrusaResearch.ini
+++ b/resources/profiles/PrusaResearch.ini
@@ -5765,6 +5765,7 @@ compatible_printers_condition = printer_notes=~/.*XLIS.*/ and nozzle_diameter[0]
 [print:0.20mm SPEED @XLIS 0.4]
 inherits = *XLIS_common*
 top_solid_infill_acceleration = 1500
+bottom_solid_layers = 3
 compatible_printers_condition = printer_notes=~/.*XLIS.*/ and nozzle_diameter[0]==0.4 and printer_notes!~/.*HF_NOZZLE.*/
 
 [print:0.20mm STRUCTURAL @XLIS 0.4]
@@ -5816,7 +5817,7 @@ compatible_printers_condition = printer_notes=~/.*XLIS.*/ and nozzle_diameter[0]
 inherits = *XLIS_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