diff --git a/config/ePO-default/config-parameters.xsl b/config/ePO-default/config-parameters.xsl
index d0db3a8b..86bbd524 100644
--- a/config/ePO-default/config-parameters.xsl
+++ b/config/ePO-default/config-parameters.xsl
@@ -54,7 +54,7 @@
+ select="('epo:Identifier', 'rdfs:Literal')"/>
diff --git a/src/common/utils.xsl b/src/common/utils.xsl
index d6b6cfa0..11bfd83d 100644
--- a/src/common/utils.xsl
+++ b/src/common/utils.xsl
@@ -260,6 +260,7 @@
+