diff --git a/resources/quality/ultimaker3/um3_aa0.4_PC_Draft_Print.inst.cfg b/resources/quality/ultimaker3/um3_aa0.4_PC_Draft_Print.inst.cfg
index 1f1fe1d8ae..79ae457587 100644
--- a/resources/quality/ultimaker3/um3_aa0.4_PC_Draft_Print.inst.cfg
+++ b/resources/quality/ultimaker3/um3_aa0.4_PC_Draft_Print.inst.cfg
@@ -50,7 +50,7 @@ retraction_prime_speed = 15
 skin_overlap = 30
 speed_layer_0 = 25
 speed_print = 50
-speed_topbottom = =math.ceil(speed_print * 25 / 50)
+speed_topbottom = 25
 speed_travel = 250
 speed_wall = =math.ceil(speed_print * 40 / 50)
 speed_wall_0 = =math.ceil(speed_wall * 25 / 40)
diff --git a/resources/quality/ultimaker3/um3_aa0.4_PC_Fast_Print.inst.cfg b/resources/quality/ultimaker3/um3_aa0.4_PC_Fast_Print.inst.cfg
index 47f2fd3be7..2e07e65bbe 100644
--- a/resources/quality/ultimaker3/um3_aa0.4_PC_Fast_Print.inst.cfg
+++ b/resources/quality/ultimaker3/um3_aa0.4_PC_Fast_Print.inst.cfg
@@ -49,7 +49,7 @@ retraction_prime_speed = 15
 skin_overlap = 30
 speed_layer_0 = 25
 speed_print = 50
-speed_topbottom = =math.ceil(speed_print * 25 / 50)
+speed_topbottom = 25
 speed_travel = 250
 speed_wall = =math.ceil(speed_print * 40 / 50)
 speed_wall_0 = =math.ceil(speed_wall * 25 / 40)
diff --git a/resources/quality/ultimaker3/um3_aa0.4_PC_High_Quality.inst.cfg b/resources/quality/ultimaker3/um3_aa0.4_PC_High_Quality.inst.cfg
index cbce8a690d..2b1b1f850b 100644
--- a/resources/quality/ultimaker3/um3_aa0.4_PC_High_Quality.inst.cfg
+++ b/resources/quality/ultimaker3/um3_aa0.4_PC_High_Quality.inst.cfg
@@ -50,7 +50,7 @@ retraction_prime_speed = 15
 skin_overlap = 30
 speed_layer_0 = 25
 speed_print = 50
-speed_topbottom = =math.ceil(speed_print * 25 / 50)
+speed_topbottom = 25
 speed_travel = 250
 speed_wall = =math.ceil(speed_print * 40 / 50)
 speed_wall_0 = =math.ceil(speed_wall * 25 / 40)
diff --git a/resources/quality/ultimaker3/um3_aa0.4_PC_Normal_Quality.inst.cfg b/resources/quality/ultimaker3/um3_aa0.4_PC_Normal_Quality.inst.cfg
index 24b396fa9f..437ef43878 100644
--- a/resources/quality/ultimaker3/um3_aa0.4_PC_Normal_Quality.inst.cfg
+++ b/resources/quality/ultimaker3/um3_aa0.4_PC_Normal_Quality.inst.cfg
@@ -47,7 +47,7 @@ retraction_prime_speed = 15
 skin_overlap = 30
 speed_layer_0 = 25
 speed_print = 50
-speed_topbottom = =math.ceil(speed_print * 25 / 50)
+speed_topbottom = 25
 speed_travel = 250
 speed_wall = =math.ceil(speed_print * 40 / 50)
 speed_wall_0 = =math.ceil(speed_wall * 25 / 40)