diff --git a/plone/app/discussion/configure.zcml b/plone/app/discussion/configure.zcml
index d1d2675..66c5296 100644
--- a/plone/app/discussion/configure.zcml
+++ b/plone/app/discussion/configure.zcml
@@ -55,11 +55,11 @@
     />
 
     <genericsetup:upgradeStep
-        title="delete own comments"
-        description="reload registry config to enable new field delete_own_comment_enabled"
+        title="delete comments"
+        description="reload rolemap config to enable new permission 'Delete comments'"
         source="101"
         destination="102"
-        handler=".upgrades.update_registry"
+        handler=".upgrades.update_rolemap"
         sortkey="1"
         profile="plone.app.discussion:default"
     />
diff --git a/plone/app/discussion/upgrades.py b/plone/app/discussion/upgrades.py
index bf9df71..652e060 100644
--- a/plone/app/discussion/upgrades.py
+++ b/plone/app/discussion/upgrades.py
@@ -2,7 +2,13 @@ from zope.component import getUtility
 from plone.registry.interfaces import IRegistry
 from plone.app.discussion.interfaces import IDiscussionSettings
 
+default_profile = 'profile-plone.app.discussion:default'
+
 
 def update_registry(context):
     registry = getUtility(IRegistry)
     registry.registerInterface(IDiscussionSettings)
+
+
+def update_rolemap(context):
+    context.runImportStepFromProfile(default_profile, 'rolemap')