diff --git a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetDetail.xsl b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetDetail.xsl
index 66936f7368..aa636a8e9a 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetDetail.xsl
+++ b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetDetail.xsl
@@ -1385,7 +1385,7 @@
         <xsl:choose>
           <xsl:when test="position()&gt;1"/>
           <!-- #13383 -->
-          <xsl:when test="@tag&lt;700">By: </xsl:when>
+          <xsl:when test="@tag&lt;700"><span class="byAuthor">By: </span></xsl:when>
           <!--#13382 Changed Additional author to contributor -->
           <xsl:otherwise>Contributor(s): </xsl:otherwise>
         </xsl:choose>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetResults.xsl b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetResults.xsl
index 2ba9c1ff5f..0d3f7f822b 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetResults.xsl
+++ b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slim2intranetResults.xsl
@@ -348,7 +348,7 @@
 
     <xsl:choose>
     <xsl:when test="marc:datafield[@tag=100] or marc:datafield[@tag=110] or marc:datafield[@tag=111] or marc:datafield[@tag=700] or marc:datafield[@tag=710] or marc:datafield[@tag=711]">
-    <p class="author">by
+    <p class="author"><span class="byAuthor">by </span>
 
         <xsl:for-each select="marc:datafield[(@tag=100 or @tag=700 or @tag=110 or @tag=710 or @tag=111 or @tag=711) and @ind1!='z']">
             <a>