diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 842e44ee4..d4b897e19 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -82,7 +82,7 @@ def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user,
       {:content, [type: 'html'], h.(activity.data["object"]["content"] |> String.replace(~r/[\n\r]/, ""))},
       {:published, h.(inserted_at)},
       {:updated, h.(updated_at)},
-      {:"ostatus:conversation", [], h.(activity.data["context"])},
+      {:"ostatus:conversation", [ref: h.(activity.data["context"])], h.(activity.data["context"])},
       {:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
     ] ++ get_links(activity) ++ categories ++ attachments ++ in_reply_to ++ author ++ mentions
   end
@@ -108,7 +108,7 @@ def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) d
         {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
         {:id, h.(activity.data["object"])}, # For notes, federate the object id.
       ]},
-      {:"ostatus:conversation", [], h.(activity.data["context"])},
+      {:"ostatus:conversation", [ref: h.(activity.data["context"])], h.(activity.data["context"])},
       {:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
       {:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
@@ -138,7 +138,7 @@ def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_autho
       {:content, [type: 'html'], ['RT #{retweeted_activity.data["object"]["content"]}']},
       {:published, h.(inserted_at)},
       {:updated, h.(updated_at)},
-      {:"ostatus:conversation", [], h.(activity.data["context"])},
+      {:"ostatus:conversation", [ref: h.(activity.data["context"])], h.(activity.data["context"])},
       {:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
       {:"activity:object", retweeted_xml}
diff --git a/test/web/ostatus/activity_representer_test.exs b/test/web/ostatus/activity_representer_test.exs
index 0129e3758..47eecb247 100644
--- a/test/web/ostatus/activity_representer_test.exs
+++ b/test/web/ostatus/activity_representer_test.exs
@@ -34,7 +34,7 @@ test "a note activity" do
     <content type="html">#{note_activity.data["object"]["content"]}</content>
     <published>#{note_activity.data["object"]["published"]}</published>
     <updated>#{note_activity.data["object"]["published"]}</updated>
-    <ostatus:conversation>#{note_activity.data["context"]}</ostatus:conversation>
+    <ostatus:conversation ref="#{note_activity.data["context"]}">#{note_activity.data["context"]}</ostatus:conversation>
     <link ref="#{note_activity.data["context"]}" rel="ostatus:conversation" />
     <link type="application/atom+xml" href="#{note_activity.data["object"]["id"]}" rel="self" />
     <link type="text/html" href="#{note_activity.data["object"]["id"]}" rel="alternate" />
@@ -71,7 +71,7 @@ test "a reply note" do
     <content type="html">#{answer.data["object"]["content"]}</content>
     <published>#{answer.data["object"]["published"]}</published>
     <updated>#{answer.data["object"]["published"]}</updated>
-    <ostatus:conversation>#{answer.data["context"]}</ostatus:conversation>
+    <ostatus:conversation ref="#{answer.data["context"]}">#{answer.data["context"]}</ostatus:conversation>
     <link ref="#{answer.data["context"]}" rel="ostatus:conversation" />
     <link type="application/atom+xml" href="#{answer.data["object"]["id"]}" rel="self" />
     <link type="text/html" href="#{answer.data["object"]["id"]}" rel="alternate" />
@@ -110,7 +110,7 @@ test "an announce activity" do
     <content type="html">RT #{note.data["object"]["content"]}</content>
     <published>#{announce.data["published"]}</published>
     <updated>#{announce.data["published"]}</updated>
-    <ostatus:conversation>#{announce.data["context"]}</ostatus:conversation>
+    <ostatus:conversation ref="#{announce.data["context"]}">#{announce.data["context"]}</ostatus:conversation>
     <link ref="#{announce.data["context"]}" rel="ostatus:conversation" />
     <link rel="self" type="application/atom+xml" href="#{announce.data["id"]}"/>
     <activity:object>
@@ -147,7 +147,7 @@ test "a like activity" do
       <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
       <id>#{note.data["id"]}</id>
     </activity:object>
-    <ostatus:conversation>#{like.data["context"]}</ostatus:conversation>
+    <ostatus:conversation ref="#{like.data["context"]}">#{like.data["context"]}</ostatus:conversation>
     <link ref="#{like.data["context"]}" rel="ostatus:conversation" />
     <link rel="self" type="application/atom+xml" href="#{like.data["id"]}"/>
     <thr:in-reply-to ref="#{note.data["id"]}" />