diff --git a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slimUtils.xsl b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slimUtils.xsl
index 7374056b4e..898bd8111d 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slimUtils.xsl
+++ b/koha-tmpl/intranet-tmpl/prog/en/xslt/MARC21slimUtils.xsl
@@ -256,7 +256,7 @@
         <xsl:param name="field"/>
         <xsl:param name="url"/>
         <xsl:variable name="ind2" select="$field/@ind2"/>
-        <span class="results_summary">
+        <span class="results_summary rda264">
             <xsl:choose>
                 <xsl:when test="$ind2='0'">
                     <span class="label">Producer: </span>
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/xslt/MARC21slimUtils.xsl b/koha-tmpl/opac-tmpl/bootstrap/en/xslt/MARC21slimUtils.xsl
index 97df929be5..82de514ab1 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/xslt/MARC21slimUtils.xsl
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/xslt/MARC21slimUtils.xsl
@@ -253,7 +253,7 @@
         <xsl:param name="field"/>
         <xsl:param name="url"/>
         <xsl:variable name="ind2" select="$field/@ind2"/>
-        <span class="results_summary">
+        <span class="results_summary rda264">
             <xsl:choose>
                 <xsl:when test="$ind2='0'">
                     <span class="label">Producer: </span>