diff --git a/app/models/contract.rb b/app/models/contract.rb
index 537e3f3..0e65756 100644
--- a/app/models/contract.rb
+++ b/app/models/contract.rb
@@ -106,6 +106,10 @@ class Contract < ActiveRecord::Base
     end
   end
 
+  def to_s
+    name
+  end
+    
   if Rails.env.test?
     generator_for :name, :method => :next_name
     generator_for :executed => true
diff --git a/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook.rb b/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook.rb
index 99f35e5..ffcd271 100644
--- a/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook.rb
+++ b/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook.rb
@@ -7,6 +7,11 @@ module RedmineContracts
           :klass => Deliverable,
           :label => :field_deliverable
         }
+        context[:available_criterias]["contract_id"] = {
+          :sql => "(SELECT deliverable.contract_id FROM #{Deliverable.table_name} deliverable WHERE deliverable.id = issues.deliverable_id)",
+          :klass => Contract,
+          :label => :field_contract
+        }
         return ''
       end
     end
diff --git a/test/unit/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook_test.rb b/test/unit/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook_test.rb
index ea4ae49..641c415 100644
--- a/test/unit/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook_test.rb
+++ b/test/unit/lib/redmine_contracts/hooks/controller_timelog_available_criterias_hook_test.rb
@@ -50,6 +50,28 @@ class RedmineContracts::Hooks::ControllerTimelogAvailableCriteriasTest < ActionC
         assert :field_deliverable, context[:available_criterias]['deliverable_id'][:label]
       end
     end
-    
+
+    context "Contracts" do
+      should "add a contract_id to the available criterias" do
+        @response.body = hook(context)
+        assert context[:available_criterias]['contract_id']
+      end
+      
+      should "add the contact sql to the available criterias" do
+        @response.body = hook(context)
+        assert "issues.deliverable_id", context[:available_criterias]['contract_id'][:sql]
+      end
+
+      should "add the deliverable Class to the available criterias" do
+        @response.body = hook(context)
+        assert Contract, context[:available_criterias]['contract_id'][:klass]
+      end
+
+      should "add the deliverable label to the available criterias" do
+        @response.body = hook(context)
+        assert :field_contract, context[:available_criterias]['contract_id'][:label]
+      end
+    end
+
   end
 end