[#1232] - Bottom border on static text lost in 2.0.5

The report is initialized with iReport2.0.4. When report migrate to 2.0.5 with iReport2.0.5, bottom border on static text or field are lost.
Jrxml file content on iReport2.0.4 :
<staticText>
<reportElement x="0" y="0" width="535" height="50" key="staticText-1"/>
<box topBorder="Thin" topBorderColor="#000000" leftBorder="Thin" leftBorderColor="#000000" rightBorder="Thin" rightBorderColor="#000000" bottomBorder="Thin" bottomBorderColor="#000000"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="24"/>
</textElement>
<text><![CDATA[TITRE DU DOCUMENT]]></text>
</staticText>

Jrxml file content on iReport2.0.5 :
<staticText>
<reportElement x="0" y="0" width="535" height="50" key="staticText-1"/>
<box>
<topPen lineWidth="0.25" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.25" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineColor="#000000"/>
<rightPen lineWidth="0.25" lineStyle="Solid" lineColor="#000000"/>
</box>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="24"/>
</textElement>
<text><![CDATA[TITRE DU DOCUMENT]]></text>
</staticText>
Test on Windows XP.