diff --git a/plugins/XmlMaterialProfile/XmlMaterialProfile.py b/plugins/XmlMaterialProfile/XmlMaterialProfile.py
index 49b5e7661d..13111c1c7a 100644
--- a/plugins/XmlMaterialProfile/XmlMaterialProfile.py
+++ b/plugins/XmlMaterialProfile/XmlMaterialProfile.py
@@ -1084,9 +1084,8 @@ class XmlMaterialProfile(InstanceContainer):
             # Skip material properties (eg diameter) or metadata (eg GUID)
             return
 
-        truth_map = { True: "yes", False: "no" }
-        if tag_name != "cura:setting" and instance.value in truth_map:
-            data = truth_map[instance.value]
+        if tag_name != "cura:setting" and isinstance(instance.value, bool):
+            data = "yes" if instance.value else "no"
         else:
             data = str(instance.value)
 
diff --git a/resources/definitions/creality_ender3v3se.def.json b/resources/definitions/creality_ender3v3se.def.json
index bf49d8dd1b..6248e5c851 100644
--- a/resources/definitions/creality_ender3v3se.def.json
+++ b/resources/definitions/creality_ender3v3se.def.json
@@ -36,9 +36,9 @@
         },
         "machine_heated_bed": { "default_value": true },
         "machine_height": { "default_value": 250 },
-        "machine_max_acceleration_e": { "value": 5000 },
-        "machine_max_acceleration_x": { "value": 5000.0 },
-        "machine_max_acceleration_y": { "value": 5000.0 },
+        "machine_max_acceleration_e": { "value": 2500 },
+        "machine_max_acceleration_x": { "value": 2500.0 },
+        "machine_max_acceleration_y": { "value": 2500.0 },
         "machine_max_acceleration_z": { "value": 500.0 },
         "machine_max_feedrate_e": { "value": 100 },
         "machine_max_feedrate_x": { "value": 500 },