diff --git a/apps/calendar/appinfo/database.xml b/apps/calendar/appinfo/database.xml
index 5ae4dafd39..ee672574a0 100644
--- a/apps/calendar/appinfo/database.xml
+++ b/apps/calendar/appinfo/database.xml
@@ -278,6 +278,14 @@
     <length>1</length>
    </field>
 
+   <field>
+    <name>active</name>
+    <type>integer</type>
+    <default>1</default>
+    <notnull>true</notnull>
+    <length>4</length>
+   </field>
+
   </declaration>
 
  </table>