diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index dc5a07ac46..bdcc864d82 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -403,7 +403,7 @@
                     "description": "The maximum speed of the filament.",
                     "unit": "mm/s",
                     "type": "float",
-                    "default_value": 25,
+                    "default_value": 299792458000,
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
                     "settable_per_meshgroup": false
diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index dc52b00dcc..0a3729c766 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -9,6 +9,9 @@
         "visible": false
     },
     "overrides": {
+        "machine_max_feedrate_e": {
+            "default_value": 45
+        },
         "material_print_temperature": {
             "minimum_value": "0"
         },