diff --git a/db/migrate/20120601054047_alter_custom_workflows.rb b/db/migrate/20120601054047_alter_custom_workflows.rb
index 488fe78..92db4b2 100644
--- a/db/migrate/20120601054047_alter_custom_workflows.rb
+++ b/db/migrate/20120601054047_alter_custom_workflows.rb
@@ -2,8 +2,8 @@ class AlterCustomWorkflows < ActiveRecord::Migration
   def self.up
     remove_column :custom_workflows, :project_id
     remove_column :custom_workflows, :is_enabled
-    add_column :custom_workflows, :name, :string, :null => false
-    add_column :custom_workflows, :description, :string, :null => false
+    add_column :custom_workflows, :name, :string, :null => false, :default => ""
+    add_column :custom_workflows, :description, :string, :null => false, :default => ""
     add_column :custom_workflows, :position, :integer, :null => false, :default => 1
   end
 
diff --git a/db/migrate/20120628060102_change_custom_workflows_description_type.rb b/db/migrate/20120628060102_change_custom_workflows_description_type.rb
index d16c603..c00d12c 100644
--- a/db/migrate/20120628060102_change_custom_workflows_description_type.rb
+++ b/db/migrate/20120628060102_change_custom_workflows_description_type.rb
@@ -1,9 +1,9 @@
 class ChangeCustomWorkflowsDescriptionType < ActiveRecord::Migration
   def self.up
-    change_column :custom_workflows, :description, :text, :null => false
+    change_column :custom_workflows, :description, :text, :null => false, :default => ""
   end
 
   def self.down
-    change_column :custom_workflows, :description, :string, :null => false
+    change_column :custom_workflows, :description, :string, :null => false, :default => ""
   end
 end