diff --git a/cura/Scene/CuraSceneNode.py b/cura/Scene/CuraSceneNode.py
index b29108d636..48d271a2f2 100644
--- a/cura/Scene/CuraSceneNode.py
+++ b/cura/Scene/CuraSceneNode.py
@@ -41,7 +41,7 @@ class CuraSceneNode(SceneNode):
         # Use the support extruder instead of the active extruder if this is a support_mesh
         if per_mesh_stack:
             if per_mesh_stack.getProperty("support_mesh", "value"):
-                return extruders[int(global_container_stack.getProperty("support_extruder_nr", "value"))]
+                return extruders[int(global_container_stack.getExtruderPositionValueWithDefault("support_extruder_nr"))]
 
         # It's only set if you explicitly choose an extruder
         extruder_id = self.callDecoration("getActiveExtruder")
diff --git a/cura/Settings/CuraContainerStack.py b/cura/Settings/CuraContainerStack.py
index 00db4f57c7..ca4f866598 100755
--- a/cura/Settings/CuraContainerStack.py
+++ b/cura/Settings/CuraContainerStack.py
@@ -8,6 +8,7 @@ from typing import Any, Optional
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, QObject
 from UM.FlameProfiler import pyqtSlot
 
+from UM.Application import Application
 from UM.Decorators import override
 from UM.Logger import Logger
 from UM.Settings.ContainerStack import ContainerStack, InvalidContainerStackError
@@ -314,6 +315,13 @@ class CuraContainerStack(ContainerStack):
 
         return cls._findInstanceContainerDefinitionId(definitions[0])
 
+    ##  getProperty for extruder positions, with translation from -1 to default extruder number
+    def getExtruderPositionValueWithDefault(self, key):
+        value = self.getProperty(key, "value")
+        if value == -1:
+            value = int(Application.getInstance().getMachineManager().defaultExtruderPosition)
+        return value
+
 ## private:
 
 # Private helper class to keep track of container positions and their types.
diff --git a/plugins/SliceInfoPlugin/SliceInfo.py b/plugins/SliceInfoPlugin/SliceInfo.py
index 971a324aa2..e1c990c596 100755
--- a/plugins/SliceInfoPlugin/SliceInfo.py
+++ b/plugins/SliceInfoPlugin/SliceInfo.py
@@ -146,7 +146,7 @@ class SliceInfo(Extension):
                     model_stack = node.callDecoration("getStack")
                     if model_stack:
                         model_settings["support_enabled"] = model_stack.getProperty("support_enable", "value")
-                        model_settings["support_extruder_nr"] = int(model_stack.getProperty("support_extruder_nr", "value"))
+                        model_settings["support_extruder_nr"] = int(model_stack.getExtruderPositionValueWithDefault("support_extruder_nr"))
 
                         # Mesh modifiers;
                         model_settings["infill_mesh"] = model_stack.getProperty("infill_mesh", "value")
@@ -177,7 +177,7 @@ class SliceInfo(Extension):
 
             # Support settings
             print_settings["support_enabled"] = global_container_stack.getProperty("support_enable", "value")
-            print_settings["support_extruder_nr"] = int(global_container_stack.getProperty("support_extruder_nr", "value"))
+            print_settings["support_extruder_nr"] = int(global_container_stack.getExtruderPositionValueWithDefault("support_extruder_nr"))
 
             # Platform adhesion settings
             print_settings["adhesion_type"] = global_container_stack.getProperty("adhesion_type", "value")
diff --git a/plugins/SolidView/SolidView.py b/plugins/SolidView/SolidView.py
index de9f922267..ff5aab96d2 100644
--- a/plugins/SolidView/SolidView.py
+++ b/plugins/SolidView/SolidView.py
@@ -62,7 +62,7 @@ class SolidView(View):
 
         global_container_stack = Application.getInstance().getGlobalContainerStack()
         if global_container_stack:
-            support_extruder_nr = global_container_stack.getProperty("support_extruder_nr", "value")
+            support_extruder_nr = global_container_stack.getExtruderPositionValueWithDefault("support_extruder_nr")
             support_angle_stack = Application.getInstance().getExtruderManager().getExtruderStack(support_extruder_nr)
 
             if support_angle_stack is not None and Preferences.getInstance().getValue("view/show_overhang"):
@@ -89,7 +89,7 @@ class SolidView(View):
                     # Use the support extruder instead of the active extruder if this is a support_mesh
                     if per_mesh_stack:
                         if per_mesh_stack.getProperty("support_mesh", "value"):
-                            extruder_index = int(global_container_stack.getProperty("support_extruder_nr", "value"))
+                            extruder_index = int(global_container_stack.getExtruderPositionValueWithDefault("support_extruder_nr"))
 
                     try:
                         material_color = self._extruders_model.getItem(extruder_index)["color"]