diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 0758d76608..7cfb3c23d4 100644
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -243,11 +243,11 @@ class MachineManager(QObject):
 
     def _onPropertyChanged(self, key, property_name):
         if property_name == "value":
-            # If a setting is not settable per extruder, but "has enabled relations" that are settable per extruder
+            # If a setting is not settable per extruder, but "has enabled" or "value" relations that are settable per extruder
             # we need to copy the value to global, so that the front-end displays the right settings.
             if not self._active_container_stack.getProperty(key, "settable_per_extruder"):
                 relations = self._global_container_stack.getBottom()._getDefinition(key).relations
-                for relation in filter(lambda r: r.role == "enabled" and r.type == RelationType.RequiredByTarget, relations):
+                for relation in filter(lambda r: (r.role == "enabled" or r.role == "value") and r.type == RelationType.RequiredByTarget, relations):
                     # Target setting is settable per extruder
                     if self._active_container_stack.getProperty(relation.target.key, "settable_per_extruder"):
                         new_value = self._global_container_stack.getProperty(key, "value")
diff --git a/cura/Settings/SettingInheritanceManager.py b/cura/Settings/SettingInheritanceManager.py
index 7989d5bebc..6bc16c1628 100644
--- a/cura/Settings/SettingInheritanceManager.py
+++ b/cura/Settings/SettingInheritanceManager.py
@@ -1,10 +1,17 @@
+# Copyright (c) 2016 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from PyQt5.QtCore import QObject, pyqtSlot, pyqtProperty, pyqtSignal
 import UM.Settings
 from UM.Application import Application
 import cura.Settings
 
 
-
+##    The settingInheritance manager is responsible for checking each setting in order to see if one of the "deeper"
+#     containers has a setting function and the topmost one with a value has a value. We need to have this check
+#     because some profiles tend to have 'hardcoded' values that break our inheritance. A good example of that are the
+#     speed settings. If all the children of print_speed have a single value override, changing the speed won't
+#     actually do anything, as only the 'leaf' settings are used by the engine.
 class SettingInheritanceManager(QObject):
     def __init__(self, parent = None):
         super().__init__(parent)
@@ -18,10 +25,6 @@ class SettingInheritanceManager(QObject):
 
     settingsWithIntheritanceChanged = pyqtSignal()
 
-    @pyqtSlot()
-    def test(self):
-        pass
-
     ##  Get the keys of all children settings with an override.
     @pyqtSlot(str, result = "QStringList")
     def getChildrenKeysWithOverride(self, key):
@@ -106,7 +109,6 @@ class SettingInheritanceManager(QObject):
                     return True
         return False
 
-
     @pyqtProperty("QVariantList", notify = settingsWithIntheritanceChanged)
     def settingsWithInheritanceWarning(self):
         return self._settings_with_inheritance_warning
@@ -126,6 +128,10 @@ class SettingInheritanceManager(QObject):
         if not self._active_container_stack.getProperty(key, "enabled"):
             return False
 
+        ## Also check if the top container is not a setting function (this happens if the inheritance is restored).
+        if isinstance(self._active_container_stack.getTop().getProperty(key, "value"), UM.Settings.SettingFunction):
+            return False
+
         ##  Mash all containers for all the stacks together.
         while stack:
             containers.extend(stack.getContainers())
@@ -144,8 +150,7 @@ class SettingInheritanceManager(QObject):
             if has_setting_function:
                 break  # There is a setting function somewhere, stop looking deeper.
 
-        ## Also check if the top container is not a setting function (this happens if the inheritance is restored).
-        return has_setting_function and not isinstance(self._active_container_stack.getTop().getProperty(key, "value"), UM.Settings.SettingFunction) and has_non_function_value
+        return has_setting_function and has_non_function_value
 
     def _update(self):
         self._settings_with_inheritance_warning = []  # Reset previous data.
diff --git a/plugins/SliceInfoPlugin/SliceInfo.py b/plugins/SliceInfoPlugin/SliceInfo.py
index ab9a75d1da..a33158a60f 100644
--- a/plugins/SliceInfoPlugin/SliceInfo.py
+++ b/plugins/SliceInfoPlugin/SliceInfo.py
@@ -101,8 +101,9 @@ class SliceInfo(Extension):
             print_information = Application.getInstance().getPrintInformation()
             material_radius = 0.5 * global_container_stack.getProperty("material_diameter", "value")
 
-            # TODO: Send material per extruder instead of mashing it on a pile
-            material_used = math.pi * material_radius * material_radius * sum(print_information.materialLengths) #Volume of all materials used
+            # Send material per extruder
+            material_used = [str(math.pi * material_radius * material_radius * material_length) for material_length in print_information.materialLengths]
+            material_used = ",".join(material_used)
 
             # Bundle the collected data
             submitted_data = {
@@ -139,4 +140,4 @@ class SliceInfo(Extension):
         except Exception as e:
             # We really can't afford to have a mistake here, as this would break the sending of g-code to a device
             # (Either saving or directly to a printer). The functionality of the slice data is not *that* important.
-            Logger.log("e", "Exception raised while sending slice info: %s" %(repr(e))) # But we should be notified about these problems of course.
\ No newline at end of file
+            Logger.log("e", "Exception raised while sending slice info: %s" %(repr(e))) # But we should be notified about these problems of course.