diff --git a/work_type.xml b/work_type.xml
index 3a2bfe29ca..e7d75c6f95 100644
--- a/work_type.xml
+++ b/work_type.xml
@@ -91,7 +91,7 @@
                 <tree string="Work Types">
                     <field name="name" select="1"/>
                     <field name="type" select="1"/>
-                    <field name="hours"/>
+                    <field name="hours" widget="float_time"/>
                 </tree>
                 ]]>
             </field>