diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index ac40eed0ae..1a3f8f144a 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -2479,7 +2479,7 @@
                     "description": "The speed at which the raft is printed.",
                     "unit": "mm/s",
                     "type": "float",
-                    "default_value": 30,
+                    "default_value": 20,
                     "minimum_value": "0.1",
                     "maximum_value": "299792458000",
                     "maximum_value_warning": "200",
@@ -2495,7 +2495,7 @@
                             "description": "The speed at which the top raft layers are printed. These should be printed a bit slower, so that the nozzle can slowly smooth out adjacent surface lines.",
                             "unit": "mm/s",
                             "type": "float",
-                            "default_value": 30,
+                            "default_value": 20,
                             "minimum_value": "0.1",
                             "maximum_value": "299792458000",
                             "maximum_value_warning": "100",
@@ -2510,12 +2510,12 @@
                             "description": "The speed at which the middle raft layer is printed. This should be printed quite slowly, as the volume of material coming out of the nozzle is quite high.",
                             "unit": "mm/s",
                             "type": "float",
-                            "default_value": 15,
+                            "default_value": 20,
                             "minimum_value": "0.1",
                             "maximum_value": "299792458000",
                             "maximum_value_warning": "150",
                             "enabled": "adhesion_type == \"raft\"",
-                            "value": "0.5 * raft_speed",
+                            "value": "raft_speed",
                             "settable_per_mesh": false,
                             "settable_per_extruder": true
                         },
@@ -2530,7 +2530,7 @@
                             "maximum_value": "299792458000",
                             "maximum_value_warning": "200",
                             "enabled": "adhesion_type == \"raft\"",
-                            "value": "0.5 * raft_speed",
+                            "value": "0.75 * raft_speed",
                             "settable_per_mesh": false,
                             "settable_per_extruder": true
                         }