diff --git a/INSTALL b/INSTALL
index f9bed7ffb4..12859637a7 100644
--- a/INSTALL
+++ b/INSTALL
@@ -7,6 +7,7 @@ Prerequisites
  * Python 2.4 or later (http://www.python.org/)
  * trytond 0.0.x (http://www.tryton.org/)
  * trytond_company (http://www.tryton.org/)
+ * trytond_company_work_time (http://www.tryton.org/)
 
 Installation
 ------------
diff --git a/__tryton__.py b/__tryton__.py
index d745798180..ea36ab6635 100644
--- a/__tryton__.py
+++ b/__tryton__.py
@@ -59,6 +59,7 @@ Et les rapports:
         'ir',
         'res',
         'company',
+        'company_work_time',
     ],
     'xml': [
         'timesheet.xml',
diff --git a/line.xml b/line.xml
index c5ec269b19..6f04186d77 100644
--- a/line.xml
+++ b/line.xml
@@ -13,7 +13,8 @@
                     <label name="date"/>
                     <field name="date"/>
                     <label name="hours"/>
-                    <field name="hours" widget="float_time"/>
+                    <field name="hours" widget="float_time"
+                        float_time="company_work_time"/>
                     <label name="work"/>
                     <field name="work"/>
                     <label name="description"/>
@@ -30,7 +31,8 @@
                 <tree string="Timesheet Lines" editable="bottom">
                     <field name="employee" select="1"/>
                     <field name="date" select="1"/>
-                    <field name="hours" widget="float_time" sum="Hours"/>
+                    <field name="hours" widget="float_time"
+                        float_time="company_work_time" sum="Hours"/>
                     <field name="work" select="1" width="300"/>
                     <field name="description"/>
                 </tree>
@@ -104,7 +106,8 @@
                 <![CDATA[
                 <tree string="Hours per Employee">
                     <field name="employee"/>
-                    <field name="hours" widget="float_time" sum="Hours"/>
+                    <field name="hours" widget="float_time"
+                        float_time="company_work_time" sum="Hours"/>
                 </tree>
                 ]]>
             </field>
@@ -119,7 +122,8 @@
                         <field name="employee"/>
                     </x>
                     <y>
-                        <field name="hours" widget="float_time"/>
+                        <field name="hours" widget="float_time"
+                            float_time="company_work_time"/>
                     </y>
                 </graph>
                 ]]>
@@ -191,7 +195,8 @@
                     <field name="year" select="1"/>
                     <field name="week" select="1"/>
                     <field name="employee" select="1"/>
-                    <field name="hours" select="1" widget="float_time"/>
+                    <field name="hours" select="1" widget="float_time"
+                        float_time="company_work_time"/>
                 </tree>
                 ]]>
             </field>
@@ -219,7 +224,8 @@
                     <field name="year" select="1"/>
                     <field name="month" select="1"/>
                     <field name="employee" select="1"/>
-                    <field name="hours" select="1" widget="float_time"/>
+                    <field name="hours" select="1" widget="float_time"
+                        float_time="company_work_time"/>
                 </tree>
                 ]]>
             </field>
diff --git a/work.xml b/work.xml
index 58206f0609..5b3c15a1c3 100644
--- a/work.xml
+++ b/work.xml
@@ -94,7 +94,8 @@ this repository contains the full copyright notices and license terms. -->
                 <![CDATA[
                 <tree string="Works">
                     <field name="name" select="1"/>
-                    <field name="hours" widget="float_time"/>
+                    <field name="hours" widget="float_time"
+                        float_time="company_work_time"/>
                 </tree>
                 ]]>
             </field>
@@ -128,7 +129,8 @@ this repository contains the full copyright notices and license terms. -->
                         <field name="name"/>
                     </x>
                     <y>
-                        <field name="hours" widget="float_time"/>
+                        <field name="hours" widget="float_time"
+                            float_time="company_work_time"/>
                     </y>
                 </graph>
                 ]]>