diff --git a/db/migrate/20150909131133_set_username_limit.rb b/db/migrate/20150909131133_set_username_limit.rb
index d7d17b4c2..4ef71693a 100644
--- a/db/migrate/20150909131133_set_username_limit.rb
+++ b/db/migrate/20150909131133_set_username_limit.rb
@@ -1,5 +1,10 @@
 class SetUsernameLimit < ActiveRecord::Migration
-  def change
+  def up
+    execute "ALTER TABLE users ALTER COLUMN username TYPE VARCHAR(60) USING SUBSTR(username, 1, 60)"
     change_column :users, :username, :string, limit: 60
   end
+
+  def down
+    change_column :users, :username, :string, limit: nil
+  end
 end
diff --git a/db/migrate/20150909135032_remove_comment_title.rb b/db/migrate/20150909135032_remove_comment_title.rb
index 632a86a4f..daf224871 100644
--- a/db/migrate/20150909135032_remove_comment_title.rb
+++ b/db/migrate/20150909135032_remove_comment_title.rb
@@ -1,5 +1,5 @@
 class RemoveCommentTitle < ActiveRecord::Migration
   def change
-    remove_column :comments, :title
+    remove_column :comments, :title, :string
   end
 end
diff --git a/db/migrate/20150909142534_set_organization_name_limit.rb b/db/migrate/20150909142534_set_organization_name_limit.rb
index b7a8f3a63..55ce2aa62 100644
--- a/db/migrate/20150909142534_set_organization_name_limit.rb
+++ b/db/migrate/20150909142534_set_organization_name_limit.rb
@@ -1,5 +1,10 @@
 class SetOrganizationNameLimit < ActiveRecord::Migration
-  def change
+  def up
+    execute "ALTER TABLE organizations ALTER COLUMN name TYPE VARCHAR(60) USING SUBSTR(name, 1, 60)"
     change_column :organizations, :name, :string, limit: 60
   end
+
+  def down
+    change_column :organizations, :name, :string, limit: nil
+  end
 end
diff --git a/db/migrate/20150909153455_set_tag_name_limit.rb b/db/migrate/20150909153455_set_tag_name_limit.rb
index d4e43dcb8..f43dfe3e5 100644
--- a/db/migrate/20150909153455_set_tag_name_limit.rb
+++ b/db/migrate/20150909153455_set_tag_name_limit.rb
@@ -1,5 +1,10 @@
 class SetTagNameLimit < ActiveRecord::Migration
-  def change
+  def up
+    execute "ALTER TABLE tags ALTER COLUMN name TYPE VARCHAR(40) USING SUBSTR(name, 1, 40)"
     change_column :tags, :name, :string, limit: 40
   end
+
+  def down
+    change_column :tags, :name, :string, limit: nil
+  end
 end