diff --git a/test/pleroma/conversation/participation_test.exs b/test/pleroma/conversation/participation_test.exs
index a25e17c95..2bf57f539 100644
--- a/test/pleroma/conversation/participation_test.exs
+++ b/test/pleroma/conversation/participation_test.exs
@@ -122,11 +122,11 @@ test "recreating an existing participations sets it to unread" do
   end
 
   test "it marks a participation as read" do
-    participation = insert(:participation, %{read: false})
+    participation = insert(:participation, %{updated_at: ~N[2017-07-17 17:09:58], read: false})
     {:ok, updated_participation} = Participation.mark_as_read(participation)
 
     assert updated_participation.read
-    assert updated_participation.updated_at == participation.updated_at
+    assert :gt = NaiveDateTime.compare(updated_participation.updated_at, participation.updated_at)
   end
 
   test "it marks a participation as unread" do