diff --git a/src/collective/flowplayer/dexterity.zcml b/src/collective/flowplayer/dexterity.zcml
index e8826b9..1724662 100644
--- a/src/collective/flowplayer/dexterity.zcml
+++ b/src/collective/flowplayer/dexterity.zcml
@@ -20,11 +20,19 @@
         />
 
     <subscriber
+        zcml:condition="installed zope.app.container.interfaces.IObjectAddedEvent"
         for=".behaviors.IFlowplayerFile
              zope.app.container.interfaces.IObjectAddedEvent"
         handler=".dexterity.update_media_info"
         />
 
+    <subscriber
+        zcml:condition="installed zope.lifecycleevent.interfaces.IObjectAddedEvent"
+        for=".behaviors.IFlowplayerFile
+             zope.lifecycleevent.interfaces.IObjectAddedEvent"
+        handler=".dexterity.update_media_info"
+        />
+
     <subscriber
         for=".behaviors.IFlowplayerFile
              zope.lifecycleevent.interfaces.IObjectModifiedEvent"
@@ -36,4 +44,4 @@
         factory=".dexterity.get_media_info"
         />
 
-</configure>
\ No newline at end of file
+</configure>