diff --git a/resources/qml/Preferences/Materials/MaterialsView.qml b/resources/qml/Preferences/Materials/MaterialsView.qml
index 14890b2d9f..1706487bd0 100644
--- a/resources/qml/Preferences/Materials/MaterialsView.qml
+++ b/resources/qml/Preferences/Materials/MaterialsView.qml
@@ -217,7 +217,7 @@ Item
 
                 // popup dialog to select a new color
                 // if successful it sets the properties.color_code value to the new color
-                ColorDialog
+                UM.ColorDialog
                 {
                     id: colorDialog
                     color: properties.color_code
@@ -569,6 +569,11 @@ Item
         }
     }
 
+    function getMetaDataEntry(entry_name)
+    {
+        return
+    }
+
     function setMaterialPreferenceValue(material_guid, entry_name, new_value)
     {
         if(!(material_guid in materialPreferenceValues))