diff --git a/lib/redmine_contracts/budget_plugin_migration.rb b/lib/redmine_contracts/budget_plugin_migration.rb
index 3fb195c..dffe9eb 100644
--- a/lib/redmine_contracts/budget_plugin_migration.rb
+++ b/lib/redmine_contracts/budget_plugin_migration.rb
@@ -33,9 +33,10 @@ module RedmineContracts
     def self.migrate_contracts
       ::Engines.plugins['redmine_contracts'].migrate
     end
-    
+
+    # * old_data - YAML string of deliverables to migrate
     def self.migrate(old_data)
-      @@data = old_data
+      @@data = YAML.load(old_data)
 
       ActiveRecord::Base.transaction do
         @@data.each do |old_deliverable|
diff --git a/test/integration/budget_plugin_migration_test.rb b/test/integration/budget_plugin_migration_test.rb
index ac94c94..0854d4f 100644
--- a/test/integration/budget_plugin_migration_test.rb
+++ b/test/integration/budget_plugin_migration_test.rb
@@ -6,7 +6,7 @@ class BudgetPluginMigrationTest < ActionController::IntegrationTest
   end
 
   def load_test_fixture
-    YAML.load(File.read(File.expand_path(File.dirname(__FILE__)) + "/../fixtures/budget_plugin_migration/budget.yml"))
+    File.read(File.expand_path(File.dirname(__FILE__)) + "/../fixtures/budget_plugin_migration/budget.yml")
   end
 
   context "migrate" do