diff --git a/schemas/iso19139/src/main/plugin/iso19139/extract-relations.xsl b/schemas/iso19139/src/main/plugin/iso19139/extract-relations.xsl
index 10e10352ab8..7aa2b12d7a1 100644
--- a/schemas/iso19139/src/main/plugin/iso19139/extract-relations.xsl
+++ b/schemas/iso19139/src/main/plugin/iso19139/extract-relations.xsl
@@ -35,7 +35,6 @@
                 xmlns:xlink="http://www.w3.org/1999/xlink"
                 xmlns:util="java:org.fao.geonet.util.XslUtil"
                 xmlns:digestUtils="java:org.apache.commons.codec.digest.DigestUtils"
-                xmlns:exslt="http://exslt.org/common"
                 xmlns:gn-fn-rel="http://geonetwork-opensource.org/xsl/functions/relations"
                 version="2.0"
                 exclude-result-prefixes="#all">
@@ -110,7 +109,7 @@
               <xsl:value-of select="position()"/>
             </idx>
             <hash>
-              <xsl:value-of select="digestUtils:md5Hex(string(exslt:node-set(normalize-space(.))))"/>
+              <xsl:value-of select="digestUtils:md5Hex(normalize-space(.))"/>
             </hash>
             <url>
               <xsl:apply-templates mode="get-iso19139-localized-string"
@@ -142,7 +141,7 @@
                 <xsl:value-of select="position()"/>
               </idx>
               <hash>
-                <xsl:value-of select="digestUtils:md5Hex(string(exslt:node-set(normalize-space(.))))"/>
+                <xsl:value-of select="digestUtils:md5Hex(normalize-space(.))"/>
               </hash>
               <title>
                 <xsl:apply-templates mode="get-iso19139-localized-string"
diff --git a/schemas/iso19139/src/main/plugin/iso19139/index-fields/index.xsl b/schemas/iso19139/src/main/plugin/iso19139/index-fields/index.xsl
index d2fdc3f4a78..15f081abb99 100644
--- a/schemas/iso19139/src/main/plugin/iso19139/index-fields/index.xsl
+++ b/schemas/iso19139/src/main/plugin/iso19139/index-fields/index.xsl
@@ -34,7 +34,6 @@
                 xmlns:gn-fn-index="http://geonetwork-opensource.org/xsl/functions/index"
                 xmlns:index="java:org.fao.geonet.kernel.search.EsSearchManager"
                 xmlns:digestUtils="java:org.apache.commons.codec.digest.DigestUtils"
-                xmlns:exslt="http://exslt.org/common"
                 xmlns:util="java:org.fao.geonet.util.XslUtil"
                 xmlns:date-util="java:org.fao.geonet.utils.DateUtil"
                 xmlns:daobs="http://daobs.org"
@@ -1122,8 +1121,7 @@
           <xsl:copy-of select="gn-fn-index:add-multilingual-field('orderingInstructions', ., $allLanguages)"/>
         </xsl:for-each>
 
-        <xsl:for-each select="gmd:transferOptions/*/
-                                gmd:onLine/*[gmd:linkage/gmd:URL != '']">
+        <xsl:for-each select=".//gmd:onLine/*[gmd:linkage/gmd:URL != '']">
 
           <xsl:variable name="transferGroup"
                         select="count(ancestor::gmd:transferOptions/preceding-sibling::gmd:transferOptions)"/>
@@ -1147,7 +1145,7 @@
             <atomfeed><xsl:value-of select="gmd:linkage/gmd:URL"/></atomfeed>
           </xsl:if>
           <link type="object">{
-            "hash": "<xsl:value-of select="digestUtils:md5Hex(string(exslt:node-set(normalize-space(.))))"/>",
+            "hash": "<xsl:value-of select="digestUtils:md5Hex(normalize-space(.))"/>",
             "idx": <xsl:value-of select="position()"/>,
             "protocol":"<xsl:value-of select="util:escapeForJson((gmd:protocol/*/text())[1])"/>",
             "mimeType":"<xsl:value-of select="if (*/gmx:MimeFileType)