diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
index 59cbd304b..0705bf6c5 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
@@ -111,6 +111,7 @@ public class Configuration extends BaseEntity {
 
     private TypeOfWorkHours monthlyTimesheetsTypeOfWorkHours;
 
+    private PersonalTimesheetsPeriodicityEnum personalTimesheetsPeriodicity = PersonalTimesheetsPeriodicityEnum.MONTHLY;
 
     public void setDefaultCalendar(BaseCalendar defaultCalendar) {
         this.defaultCalendar = defaultCalendar;
@@ -460,4 +461,13 @@ public class Configuration extends BaseEntity {
         monthlyTimesheetsTypeOfWorkHours = typeOfWorkHours;
     }
 
+    public PersonalTimesheetsPeriodicityEnum getPersonalTimesheetsPeriodicity() {
+        return personalTimesheetsPeriodicity;
+    }
+
+    public void setPersonalTimesheetsPeriodicity(
+            PersonalTimesheetsPeriodicityEnum personalTimesheetsPeriodicity) {
+        this.personalTimesheetsPeriodicity = personalTimesheetsPeriodicity;
+    }
+
 }
diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/entities/PersonalTimesheetsPeriodicityEnum.java b/libreplan-business/src/main/java/org/libreplan/business/common/entities/PersonalTimesheetsPeriodicityEnum.java
new file mode 100644
index 000000000..139b97180
--- /dev/null
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/entities/PersonalTimesheetsPeriodicityEnum.java
@@ -0,0 +1,45 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2012 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.libreplan.business.common.entities;
+
+import static org.libreplan.business.i18n.I18nHelper._;
+
+/**
+ * Different values for personal timesheets periodicity.
+ *
+ * @author Manuel Rego Casasnovas <rego@igalia.com>
+ */
+public enum PersonalTimesheetsPeriodicityEnum {
+
+    MONTHLY(_("Monthly")),
+    TWICE_MONTHLY(_("Twice-monthly")),
+    WEEKLY(_("Weekly"));
+
+    private String name;
+
+    private PersonalTimesheetsPeriodicityEnum(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+}
diff --git a/libreplan-business/src/main/resources/db.changelog-1.3.xml b/libreplan-business/src/main/resources/db.changelog-1.3.xml
index a798dedb3..0a2ba45eb 100644
--- a/libreplan-business/src/main/resources/db.changelog-1.3.xml
+++ b/libreplan-business/src/main/resources/db.changelog-1.3.xml
@@ -28,4 +28,15 @@
         </update>
     </changeSet>
 
+    <changeSet id="add-personal_timesheets_periodicity-column-to-configuration"
+        author="mrego">
+        <comment>Add personal_timesheets_periodicity column to configuration</comment>
+        <addColumn tableName="configuration">
+            <column name="personal_timesheets_periodicity" type="INT" />
+        </addColumn>
+        <update tableName="configuration">
+            <column name="personal_timesheets_periodicity" value="0" />
+        </update>
+    </changeSet>
+
 </databaseChangeLog>
diff --git a/libreplan-business/src/main/resources/org/libreplan/business/common/entities/Configuration.hbm.xml b/libreplan-business/src/main/resources/org/libreplan/business/common/entities/Configuration.hbm.xml
index 7da305270..b9c37346c 100644
--- a/libreplan-business/src/main/resources/org/libreplan/business/common/entities/Configuration.hbm.xml
+++ b/libreplan-business/src/main/resources/org/libreplan/business/common/entities/Configuration.hbm.xml
@@ -82,6 +82,12 @@
         <many-to-one name="monthlyTimesheetsTypeOfWorkHours" cascade="none"
             column="monthly_timesheets_type_of_work_hours" />
 
+        <property name="personalTimesheetsPeriodicity" column="personal_timesheets_periodicity">
+            <type name="org.hibernate.type.EnumType">
+                <param name="enumClass">org.libreplan.business.common.entities.PersonalTimesheetsPeriodicityEnum</param>
+            </type>
+        </property>
+
         <component name="ldapConfiguration" class="org.libreplan.business.common.entities.LDAPConfiguration">
             <property name="ldapHost" column="ldap_host"/>
             <property name="ldapPort" column="ldap_port"/>