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 e9370877e7..0f61ccb0cd 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
@@ -28,7 +28,7 @@ raft_margin = 15
 retraction_count_max = 80
 skin_overlap = 30
 speed_layer_0 = 25
-support_interface_line_distance = 0.4
+support_interface_density = 87.5
 support_interface_pattern = lines
 support_pattern = zigzag
 wall_line_width_x = =round(line_width * 0.4 / 0.35, 2)
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 cdb37b8f12..103198fc59 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
@@ -29,7 +29,7 @@ raft_margin = 15
 retraction_count_max = 80
 skin_overlap = 30
 speed_layer_0 = 25
-support_interface_line_distance = 0.4
+support_interface_density = 87.5
 support_interface_pattern = lines
 support_pattern = zigzag
 wall_line_width_x = =round(line_width * 0.4 / 0.35, 2)
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 f5e91fa71b..eb76d8c42a 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
@@ -27,7 +27,7 @@ raft_margin = 15
 retraction_count_max = 80
 skin_overlap = 30
 speed_layer_0 = 25
-support_interface_line_distance = 0.4
+support_interface_density = 87.5
 support_interface_pattern = lines
 support_pattern = zigzag
 wall_line_width_x = =round(line_width * 0.4 / 0.35, 2)
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 d391e9df4f..364ff16bf6 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
@@ -26,7 +26,7 @@ raft_margin = 15
 retraction_count_max = 80
 skin_overlap = 30
 speed_layer_0 = 25
-support_interface_line_distance = 0.4
+support_interface_density = 87.5
 support_interface_pattern = lines
 support_pattern = zigzag
 wall_line_width_x = =round(line_width * 0.4 / 0.35, 2)