diff --git a/test/test-xml.sh b/test/test-xml.sh
index f0a84c9..32333d7 100755
--- a/test/test-xml.sh
+++ b/test/test-xml.sh
@@ -44,6 +44,12 @@
 observed=$(xmlstarlet sel --net -t -v "count(/idsCorpus/idsDoc/idsText/idsHeader/fileDesc/publicationStmt/idno)"  target/dnb18.i5.xml)
 assert_gt "$observed" "$min_expected" "exvery text has more than one idno element"
 
+observed=$(xmlstarlet sel --net -t -v "count(/idsCorpus/idsDoc/idsText/idsHeader/fileDesc/publicationStmt/idno[@type='URN'])"  target/dnb18.i5.xml)
+assert_eq "$observed" "$min_expected" "exvery text has one idno element of type URN"
+
+observed=$(xmlstarlet sel --net -t -v "count(/idsCorpus/idsDoc/idsText/idsHeader/fileDesc/publicationStmt/idno[@type='URN' and @rend='URN'])"  target/dnb18.i5.xml)
+assert_eq "$observed" "$min_expected" "every idno element of type URN also has attribute rend='URN'"
+
 exit_with_test_summary