diff --git a/cura/BuildVolume.py b/cura/BuildVolume.py
index a69e2a2ed0..8f42add742 100644
--- a/cura/BuildVolume.py
+++ b/cura/BuildVolume.py
@@ -462,17 +462,6 @@ class BuildVolume(SceneNode):
         stack = UM.Settings.ContainerRegistry.getInstance().findContainerStacks(id = extruder_stack_id)[0]
         return stack.getProperty(setting_key, property)
 
-    def _getAllExtruderValues(self, setting_key):
-        multi_extrusion = self._global_container_stack.getProperty("machine_extruder_count", "value") > 1
-        if not multi_extrusion:
-            return [self._global_container_stack.getProperty(setting_key, "value")]
-        result = []
-        for index in ExtruderManager.getInstance().extruderIds:
-            extruder_stack_id = ExtruderManager.getInstance().extruderIds[str(index)]
-            stack = UM.Settings.ContainerRegistry.getInstance().findContainerStacks(id=extruder_stack_id)[0]
-            result.append(stack.getProperty(setting_key, "value"))
-        return result
-
     ##  Convenience function to calculate the size of the bed adhesion in directions x, y.
     def _getBedAdhesionSize(self):
         if not self._global_container_stack:
@@ -491,7 +480,7 @@ class BuildVolume(SceneNode):
             skirt_size = skirt_distance + (skirt_line_count * self._getSettingProperty("skirt_brim_line_width", "value"))
             if self._global_container_stack.getProperty("machine_extruder_count", "value") > 1:
                 adhesion_extruder_nr = int(self._global_container_stack.getProperty("adhesion_extruder_nr", "value"))
-                extruder_values = self._getAllExtruderValues("skirt_brim_line_width")
+                extruder_values = ExtruderManager.getInstance().getAllExtruderValues("skirt_brim_line_width")
                 del extruder_values[adhesion_extruder_nr]  # Remove the value of the adhesion extruder nr.
                 for value in extruder_values:
                     skirt_size += value
@@ -500,7 +489,7 @@ class BuildVolume(SceneNode):
             skirt_size = self._getSettingProperty("brim_line_count", "value") * self._getSettingProperty("skirt_brim_line_width", "value")
             if self._global_container_stack.getProperty("machine_extruder_count", "value") > 1:
                 adhesion_extruder_nr = int(self._global_container_stack.getProperty("adhesion_extruder_nr", "value"))
-                extruder_values = self._getAllExtruderValues("skirt_brim_line_width")
+                extruder_values = ExtruderManager.getInstance().getAllExtruderValues("skirt_brim_line_width")
                 del extruder_values[adhesion_extruder_nr]  # Remove the value of the adhesion extruder nr.
                 for value in extruder_values:
                     skirt_size += value
diff --git a/cura/Settings/ExtruderManager.py b/cura/Settings/ExtruderManager.py
index 72fdebc99d..7c37ecc51d 100644
--- a/cura/Settings/ExtruderManager.py
+++ b/cura/Settings/ExtruderManager.py
@@ -265,6 +265,19 @@ class ExtruderManager(QObject):
 
         container_registry.addContainer(container_stack)
 
+    def getAllExtruderValues(self, setting_key):
+        global_container_stack = UM.Application.getInstance().getGlobalContainerStack()
+        multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
+        if not multi_extrusion:
+            return [global_container_stack.getProperty(setting_key, "value")]
+
+        result = []
+        for index in self.extruderIds:
+            extruder_stack_id = self.extruderIds[str(index)]
+            stack = UM.Settings.ContainerRegistry.getInstance().findContainerStacks(id=extruder_stack_id)[0]
+            result.append(stack.getProperty(setting_key, "value"))
+        return result
+
     ##  Removes the container stack and user profile for the extruders for a specific machine.
     #
     #   \param machine_id The machine to remove the extruders for.