diff --git a/db/migrate/035_specialize_articles.rb b/db/migrate/035_specialize_articles.rb
index 9fbaa3e..3b73b7e 100644
--- a/db/migrate/035_specialize_articles.rb
+++ b/db/migrate/035_specialize_articles.rb
@@ -1,9 +1,9 @@
 class SpecializeArticles < ActiveRecord::Migration
   def self.up
-    execute "update articles set type = 'TinyMceArticle' where type = 'Article'"
+    execute "update articles set type = 'TinyMceArticle' where type = 'Article' or type is null or type = ''"
   end
 
   def self.down
-    raise ActiveRecord::Migration::IrreversibleMigration, 'cannot reverse this'
+    # nothing
   end
 end
--
libgit2 0.21.2