diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
index effc8b177..94446e4ee 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
@@ -41,7 +41,9 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 	@Override
 	protected List<StructuredProperty> prepareTitles(final Document doc, final DataInfo info) {
 		return prepareListStructProps(
-			doc, "//*[local-name()='titles']/*[local-name()='title']|//*[local-name()='resource']/*[local-name()='title']", MAIN_TITLE_QUALIFIER, info);
+			doc,
+			"//*[local-name()='titles']/*[local-name()='title']|//*[local-name()='resource']/*[local-name()='title']",
+			MAIN_TITLE_QUALIFIER, info);
 	}
 
 	@Override
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
index 49c39342a..779bcaff5 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
@@ -264,9 +264,9 @@ public class MappersTest {
 		assertTrue(p.getAuthor().size() > 0);
 
 		final Optional<Author> author = p
-				.getAuthor()
-				.stream()
-				.findFirst();
+			.getAuthor()
+			.stream()
+			.findFirst();
 		assertTrue(author.isPresent());
 
 		assertEquals("Potwarka, Luke R.", author.get().getFullname());
@@ -282,12 +282,12 @@ public class MappersTest {
 		assertNotNull(p.getInstance());
 		assertTrue(p.getInstance().size() > 0);
 		p
-				.getInstance()
-				.stream()
-				.forEach(i -> {
-					assertNotNull(i.getAccessright());
-					assertEquals("OPEN", i.getAccessright().getClassid());
-				});
+			.getInstance()
+			.stream()
+			.forEach(i -> {
+				assertNotNull(i.getAccessright());
+				assertEquals("OPEN", i.getAccessright().getClassid());
+			});
 		assertEquals("UNKNOWN", p.getInstance().get(0).getRefereed().getClassid());
 	}