diff --git a/resources/quality/ultimaker_factor4/um_f4_ht0.6_cffpps_0.2mm.inst.cfg b/resources/quality/ultimaker_factor4/um_f4_ht0.6_cffpps_0.2mm.inst.cfg
index 856adc0a16..6981130fe6 100644
--- a/resources/quality/ultimaker_factor4/um_f4_ht0.6_cffpps_0.2mm.inst.cfg
+++ b/resources/quality/ultimaker_factor4/um_f4_ht0.6_cffpps_0.2mm.inst.cfg
@@ -18,6 +18,7 @@ gradual_flow_enabled = True
 infill_wall_line_count = 1
 max_flow_acceleration = 1
 retraction_combing_max_distance = 2
+roofing_material_flow = =material_flow
 skin_material_flow = =material_flow * 0.93
 speed_print = 60
 xy_offset = =machine_nozzle_size * -0.25