diff -r d959b670cbe1 -r b21d74ececb1 src/pyams_content/component/extfile/__init__.py
--- a/src/pyams_content/component/extfile/__init__.py	Tue Feb 06 11:39:00 2018 +0100
+++ b/src/pyams_content/component/extfile/__init__.py	Tue Feb 06 13:56:35 2018 +0100
@@ -22,7 +22,7 @@
     IExtMedia
 from pyams_content.features.checker.interfaces import IContentChecker, MISSING_VALUE, MISSING_LANG_VALUE
 from pyams_content.shared.common.interfaces import IWfSharedContent
-from pyams_file.interfaces import IFileInfo, IResponsiveImage, DELETED_FILE
+from pyams_file.interfaces import IFileInfo, IImage, IResponsiveImage
 from pyams_i18n.interfaces import II18n, INegotiator, II18nManager
 from zope.lifecycleevent.interfaces import IObjectAddedEvent, IObjectModifiedEvent, IObjectRemovedEvent
 
@@ -230,7 +230,7 @@
     def data(self, value):
         self._data = value
         for data in value.values():
-            if (data is not None) and (data is not DELETED_FILE):
+            if IImage.providedBy(data):
                 alsoProvides(data, IResponsiveImage)
 
 register_file_factory('image', ExtImage, _("Image"))