diff --git a/src/collective/cover/browser/cover.py b/src/collective/cover/browser/cover.py
index fa4007d9e..e2c1b422a 100644
--- a/src/collective/cover/browser/cover.py
+++ b/src/collective/cover/browser/cover.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from AccessControl import getSecurityManager
 from Acquisition import aq_inner
+from plone.app.blocks.interfaces import IBlocksTransformEnabled
 from collective.cover.controlpanel import ICoverSettings
 from collective.cover.interfaces import ICover
 from collective.cover.interfaces import IGridSystem
@@ -24,12 +25,14 @@
 
 class View(grok.View):
     grok.context(ICover)
+    grok.implements(IBlocksTransformEnabled)
     grok.require('zope2.View')
     grok.name('view')
 
 
 class Standard(grok.View):
     grok.context(ICover)
+    grok.implements(IBlocksTransformEnabled)
     grok.require('zope2.View')
     grok.name('standard')
 
@@ -135,6 +138,7 @@ def __call__(self):
 # XXX: we need to leave the view after saving or cancelling editing
 class Compose(grok.View):
     grok.context(ICover)
+    grok.implements(IBlocksTransformEnabled)
     grok.require('cmf.ModifyPortalContent')
 
     def update(self):
diff --git a/src/collective/cover/layout_templates/tile.pt b/src/collective/cover/layout_templates/tile.pt
index ff9e19333..39762fd95 100644
--- a/src/collective/cover/layout_templates/tile.pt
+++ b/src/collective/cover/layout_templates/tile.pt
@@ -33,8 +33,11 @@
                 </div>
 
                 <div tal:attributes="class python:'%s' % section.get('class', '');
-                                     data-tile python:'%s' %(tile_url);
-                                     id tile_id" />
+                                     id tile_id">
+                  <div tal:attributes="data-tile python:'%s' %(tile_url);">
+                    Tile content replaced during the blocks transform.
+                  </div>
+                </div>
             </tal:co>
         </tal:view>
 
@@ -42,11 +45,14 @@
             <div tal:condition="section" class="tile-container">
               <span class="tile-type-name" tal:content="tile_title" />
                 <div tal:attributes="class python:'%s %s' % (section.get('class', ''), view.can_compose_tile_class(tile_type, tile_id));
-                                     data-tile python:'%s' %(tile_url);
                                      data-tile-type tile_type;
                                      data-tile-valid-ct python:view.accepted_ct_for_tile(tile_type);
                                      data-is-droppable python:view.tile_is_droppable(tile_type);
-                                     id tile_id" />
+                                     id tile_id">
+                  <div tal:attributes="data-tile python:'%s' %(tile_url);">
+                    Tile content replaced during the blocks transform.
+                  </div>
+                </div>
                 <a href="#" class="edit-tile-link"
                     tal:condition="python:view.tile_is_editable(tile_type)"
                     tal:attributes="href string:${context/absolute_url}/@@edit-tile/${tile_type}/${tile_id}"
diff --git a/versions-4.3.x.cfg b/versions-4.3.x.cfg
index 82d8104b5..cc87d954e 100644
--- a/versions-4.3.x.cfg
+++ b/versions-4.3.x.cfg
@@ -1,6 +1,6 @@
 [versions]
 collective.js.bootstrap = 2.3.1.1
-plone.app.blocks = 1.1.1
+plone.app.blocks = 2.0.0
 plone.app.drafts = 1.0a2
 plone.app.tiles = 1.0.1
 plone.tiles = 1.2