diff --git a/addons/project_calendar/project_calendar_data.xml b/addons/project_calendar/project_calendar_data.xml
index 176feddd76f..e4c333ca6e2 100644
--- a/addons/project_calendar/project_calendar_data.xml
+++ b/addons/project_calendar/project_calendar_data.xml
@@ -8,7 +8,7 @@
 			<field name="object_id" search="[('model','=','project.task')]" />
 		</record>
 		
-		<record model="basic.calendar.fields" id="caldav.map_todo_1">
+		<record model="basic.calendar.fields" id="map_todo_1">
 			<field name="name" ref="base_calendar.field_todo_status" />
 			<field name="type_id" ref="caldav.calendar_lines_todo" />
 			<field name="field_id" search="[('name','=','state'),('model_id.model','=','project.task')]" />
@@ -16,28 +16,28 @@
 			<field name="fn">field</field>
 		</record>
 		
-		<record model="basic.calendar.fields" id="caldav.map_todo_3">
+		<record model="basic.calendar.fields" id="map_todo_3">
 			<field name="name" ref="base_calendar.field_todo_attendee" />
 			<field name="type_id" ref="caldav.calendar_lines_todo" />
 			<field name="field_id" search="[('name','=','attendee_ids'),('model_id.model','=','project.task')]" />
 			<field name="fn">field</field>
 		</record>
 		
-		<record model="basic.calendar.fields" id="caldav.map_todo_9">
+		<record model="basic.calendar.fields" id="map_todo_9">
 		    <field name="name" ref="base_calendar.field_todo_percent"/>
 		    <field name="type_id" ref="caldav.calendar_lines_todo" />
 			<field name="field_id" search="[('name','=','progress'),('model_id.model','=','project.task')]" />
 			<field name="fn">field</field>
 		</record>
 		
-		<record model="basic.calendar.fields" id="caldav.map_todo_12">
+		<record model="basic.calendar.fields" id="map_todo_12">
 			<field name="name" ref="base_calendar.field_event_priority"/>
 			<field name="type_id" ref="caldav.calendar_lines_todo" />
 			<field name="field_id" search="[('name','=','priority'),('model_id.model','=','project.task')]" />
 			<field name="fn">field</field>
 		</record>
 		
-		<record model="basic.calendar.fields" id="caldav.map_todo_15">
+		<record model="basic.calendar.fields" id="map_todo_15">
 		    <field name="name" ref="base_calendar.field_todo_duration"/>
 		    <field name="type_id" ref="caldav.calendar_lines_todo" />
 			<field name="field_id" search="[('name','=','planned_hours'),('model_id.model','=','project.task')]" />