diff --git a/src/ploneintranet/workspace/browser/templates/sidebar-contentitems.pt b/src/ploneintranet/workspace/browser/templates/sidebar-contentitems.pt
index 9132b2d..98e53da 100644
--- a/src/ploneintranet/workspace/browser/templates/sidebar-contentitems.pt
+++ b/src/ploneintranet/workspace/browser/templates/sidebar-contentitems.pt
@@ -235,7 +235,7 @@
                     <a href="@@add_folder" tal:attributes="href string:${context/absolute_url}/add_folder" class="button create-folder pat-modal icon-folder" data-pat-modal="class: large">Create folder</a>
                 </div>
                 <form action="./">
-                    <fieldset class="pat-upload" data-pat-upload="url: https://example.org/upload; label: Drop files here or click to browse…; trigger: auto;">
+                    <fieldset class="pat-upload" data-pat-upload="url: fileUpload; label: Drop files here or click to browse…; trigger: auto;" tal:attributes="data-pat-upload string:url: ${context/absolute_url}/fileUpload;; label: Drop files here or click to browse…;; trigger: auto;">
                         <label class="accessibility-options">
                             <input type="file" multiple> Upload files
                         </label>
diff --git a/src/ploneintranet/workspace/workspacecontainer.py b/src/ploneintranet/workspace/workspacecontainer.py
index a5189e4..ecaa2d7 100644
--- a/src/ploneintranet/workspace/workspacecontainer.py
+++ b/src/ploneintranet/workspace/workspacecontainer.py
@@ -15,3 +15,12 @@ class WorkspaceContainer(Container):
     A folder to contain WorkspaceFolders
     """
     grok.implements(IWorkspaceContainer)
+
+try:
+    from ploneintranet.attachments.attachments import IAttachmentStoragable
+except ImportError:
+    IAttachmentStoragable = None
+
+if IAttachmentStoragable is not None:
+    from zope import interface
+    interface.classImplements(WorkspaceContainer, IAttachmentStoragable)