diff --git a/test/data/software/OpenAire-software-reference.xml b/test/data/software/OpenAire-software-reference.xml
index 941b6fd3..2548d49d 100644
--- a/test/data/software/OpenAire-software-reference.xml
+++ b/test/data/software/OpenAire-software-reference.xml
@@ -156,7 +156,9 @@
       <datacite:relatedIdentifier relatedIdentifierType="URL" relationType="IsCitedBy">https://api.zbmath.org/v1/document/5538352</datacite:relatedIdentifier>
       <datacite:relatedIdentifier relatedIdentifierType="URL" relationType="IsCitedBy">https://api.zbmath.org/v1/document/2234457</datacite:relatedIdentifier>
    </datacite:relatedIdentifiers>
+   <datacite:alternateIdentifiers>
    <datacite:alternateIdentifier alternateIdentifierType="URL">http://crd-legacy.lbl.gov/~xiaoye/SuperLU/</datacite:alternateIdentifier>
+   </datacite:alternateIdentifiers>
    <oaire:resourceType resourceTypeGeneral="software" uri="http://purl.org/coar/resource_type/c_5ce6"/>
    <datacite:rightsList>
       <datacite:rights rightsURI="http://purl.org/coar/access_right/c_14cb">metadata only access</datacite:rights>
diff --git a/xslt/software/xslt-software-OpenAire.xslt b/xslt/software/xslt-software-OpenAire.xslt
index 23731444..8e942921 100644
--- a/xslt/software/xslt-software-OpenAire.xslt
+++ b/xslt/software/xslt-software-OpenAire.xslt
@@ -38,11 +38,11 @@
                  <xsl:apply-templates select="root/references"/>
              </datacite:relatedIdentifiers>
            </xsl:if>
-
+           <datacite:alternateIdentifiers>
            <datacite:alternateIdentifier alternateIdentifierType="URL">
             <xsl:apply-templates  select="root/homepage"/>
         </datacite:alternateIdentifier>
-
+           </datacite:alternateIdentifiers>
 
              <xsl:apply-templates select="root/license_terms"/>