diff --git a/plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py b/plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py
index ebb372ad96..a580382845 100644
--- a/plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py
+++ b/plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py
@@ -59,12 +59,12 @@ class PerObjectSettingVisibilityHandler(UM.Settings.Models.SettingVisibilityHand
                 definition = self._stack.getSettingDefinition(item)
                 if definition:
                     new_instance = SettingInstance(definition, settings)
-                    if definition.global_inherits_stack:
+                    if definition.global_inherits_stack and self._stack.getProperty("machine_extruder_count", "value") > 1:
                         #Obtain the value from the correct container stack. Only once, upon adding the setting.
                         stack_nr = self._stack.getProperty(item, "global_inherits_stack") #Stack to get the setting from.
                         if int(stack_nr) >= 0: #Only if it defines an extruder stack.
                             extruder_stack = UM.Settings.ContainerRegistry.getInstance().findContainerStacks(id = ExtruderManager.getInstance().extruderIds[stack_nr])[0]
-                            new_instance.value = extruder_stack.getProperty(item, "value")
+                            new_instance.setProperty("value", extruder_stack.getProperty(item, "value"))
                     settings.addInstance(new_instance)
                     visibility_changed = True
                 else:
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 33d41332a1..5118966d5a 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1053,7 +1053,7 @@
                     "unit": "°C",
                     "type": "float",
                     "default_value": 210,
-                    "minimum_value": "0",
+                    "minimum_value": "-273.15",
                     "maximum_value_warning": "260",
                     "enabled": "not (material_flow_dependent_temperature)",
                     "settable_per_mesh": false,
@@ -1090,7 +1090,7 @@
                     "unit": "°C",
                     "type": "float",
                     "default_value": 60,
-                    "minimum_value": "0",
+                    "minimum_value": "-273.15",
                     "maximum_value_warning": "260",
                     "enabled": "machine_heated_bed",
                     "settable_per_mesh": false,
@@ -1269,7 +1269,7 @@
                     "type": "float",
                     "unit": "°C",
                     "default_value": 150,
-                    "minimum_value": "0",
+                    "minimum_value": "-273.15",
                     "maximum_value_warning": "260",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index 5df38d07cb..dc52b00dcc 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -7,5 +7,16 @@
         "author": "Ultimaker",
         "manufacturer": "Ultimaker",
         "visible": false
+    },
+    "overrides": {
+        "material_print_temperature": {
+            "minimum_value": "0"
+        },
+        "material_bed_temperature": {
+            "minimum_value": "0"
+        },
+        "material_standby_temperature": {
+            "minimum_value": "0"
+        }
     }
 }