diff --git a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/oaf_claim_dedup.xml b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/oaf_claim_dedup.xml
index b45fa1edb..95457fb70 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/oaf_claim_dedup.xml
+++ b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/oaf_claim_dedup.xml
@@ -16,7 +16,7 @@
         <dc:contributor>Doğuş Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümü</dc:contributor>
         <dc:contributor>TR3959</dc:contributor>
         <dc:source>urn:issn:1748-0221</dc:source>
-        <dc:source>VOLUME=7;ISSUE=1;issn=1748-0221;TITLE=Journal of Instrumentation</dc:source>
+        <dc:source>VOLUME=7;ISSUE=1;ISSN=1748-0221;TITLE=Journal of Instrumentation</dc:source>
         <dc:source>ATLAS Collaboration Mitsou, Vasiliki Fiorini, Luca Ros Martínez, Eduardo Castillo
             Giménez, María Victoria Fuster Verdú, Juan A. García García, Carmen Cabrera Urbán,
             Susana Martí García, Salvador Salt Cairols, José Lacasta Llácer, Carlos Valls Ferrer,
@@ -30,7 +30,7 @@
             interactions. Journal of Instrumentation, 7(1). doi: 10.1088/1748-0221/7/01/P01013. UC
             Santa Cruz: Retrieved from: http://www.escholarship.org/uc/item/05j2j2br</dc:source>
         <dc:source>Journal of Instrumentation, 7</dc:source>
-        <dc:source>VOLUME=7;issn=1748-0221;TITLE=Journal of Instrumentation</dc:source>
+        <dc:source>VOLUME=7;ISSN=1748-0221;TITLE=Journal of Instrumentation</dc:source>
         <dc:source>1748-0221</dc:source>
         <dc:source>Journal of Instrumentation 7, P01013 (2012).
             doi:10.1088/1748-0221/7/01/P01013</dc:source>