diff --git a/libreplan-business/src/main/resources/db.changelog-1.2.xml b/libreplan-business/src/main/resources/db.changelog-1.2.xml
index 5c217a1ee..ef9bbc97a 100644
--- a/libreplan-business/src/main/resources/db.changelog-1.2.xml
+++ b/libreplan-business/src/main/resources/db.changelog-1.2.xml
@@ -352,6 +352,16 @@
         </createTable>
     </changeSet>
 
+    <changeSet id="change-column-description-in-expense_sheet_to-text-in-mysql"
+        author="mrego" dbms="mysql">
+        <comment>
+            Change column description in expense_sheet to TEXT in MySQL.
+            Because of using modifyDataType convert the column in LONGTEXT and
+            this is causing some problems with Hibernate mapping.
+        </comment>
+        <sql>ALTER TABLE expense_sheet MODIFY description TEXT</sql>
+    </changeSet>
+
     <changeSet author="smontes" id="creation-table-expense-sheet-line">
         <createTable tableName="expense_sheet_line">
             <column name="id" type="BIGINT">
diff --git a/libreplan-business/src/main/resources/org/libreplan/business/expensesheets/entities/ExpenseSheets.hbm.xml b/libreplan-business/src/main/resources/org/libreplan/business/expensesheets/entities/ExpenseSheets.hbm.xml
index 7fc5c6c18..0e5b7dc71 100644
--- a/libreplan-business/src/main/resources/org/libreplan/business/expensesheets/entities/ExpenseSheets.hbm.xml
+++ b/libreplan-business/src/main/resources/org/libreplan/business/expensesheets/entities/ExpenseSheets.hbm.xml
@@ -55,7 +55,8 @@
 
 		<property name="total" access="field" column="total" />
 
-		<property name="description" access="field" column="description" />
+		<property name="description" access="field" column="description"
+            type="text" />
 
 		<property name="lastExpenseSheetLineSequenceCode" access="field"
 			column="last_expense_sheet_line_sequence_code" />
@@ -71,4 +72,4 @@
 
 	</class>
 
-</hibernate-mapping>
\ No newline at end of file
+</hibernate-mapping>