Index: /Users/philipp/checkout/magnolia/magnolia-core/src/main/java/info/magnolia/cms/core/DefaultContent.java
===================================================================
--- /Users/philipp/checkout/magnolia/magnolia-core/src/main/java/info/magnolia/cms/core/DefaultContent.java	(revision 14777)
+++ /Users/philipp/checkout/magnolia/magnolia-core/src/main/java/info/magnolia/cms/core/DefaultContent.java	(working copy)
@@ -168,7 +168,12 @@
         this.setRootNode(rootNode);
         this.node = this.rootNode.addNode(this.path, contentType);
         this.setAccessManager(manager);
-        this.addMixin(ItemType.MIX_VERSIONABLE);
+        if(this.getItemType().equals(ItemType.CONTENT)){
+            this.addMixin(ItemType.MIX_VERSIONABLE);
+        }
+        else{
+            this.addMixin(ItemType.MIX_REFERENCEABLE);
+        }
         // add mix:lockable as default for all nodes created using this manager
         // for version 3.5 we cannot change node type definitions because of compatibility reasons
         // MAGNOLIA-1518