diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
index e1c4b53b5..fd707e949 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
@@ -8,6 +8,7 @@ import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import eu.dnetlib.dhp.oa.graph.raw.AbstractMdRecordToOafMapper;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.spark.SparkConf;
@@ -97,7 +98,7 @@ public class CleanGraphSparkJob {
 			.json(outputPath);
 	}
 
-	private static <T extends Oaf> T fixDefaults(T value) {
+	protected static <T extends Oaf> T fixDefaults(T value) {
 		if (value instanceof Datasource) {
 			// nothing to clean here
 		} else if (value instanceof Project) {
@@ -134,11 +135,6 @@ public class CleanGraphSparkJob {
 					.setResourcetype(
 						qualifier("UNKNOWN", "Unknown", ModelConstants.DNET_DATA_CITE_RESOURCE));
 			}
-			if (Objects.isNull(r.getBestaccessright()) || StringUtils.isBlank(r.getBestaccessright().getClassid())) {
-				r
-					.setBestaccessright(
-						qualifier("UNKNOWN", "not available", ModelConstants.DNET_ACCESS_MODES));
-			}
 			if (Objects.nonNull(r.getInstance())) {
 				for (Instance i : r.getInstance()) {
 					if (Objects.isNull(i.getAccessright()) || StringUtils.isBlank(i.getAccessright().getClassid())) {
@@ -152,6 +148,15 @@ public class CleanGraphSparkJob {
 					}
 				}
 			}
+			if (Objects.isNull(r.getBestaccessright()) || StringUtils.isBlank(r.getBestaccessright().getClassid())) {
+				Qualifier bestaccessrights = AbstractMdRecordToOafMapper.createBestAccessRights(r.getInstance());
+				if (Objects.isNull(bestaccessrights)) {
+					r.setBestaccessright(
+							qualifier("UNKNOWN", "not available", ModelConstants.DNET_ACCESS_MODES));
+				} else {
+					r.setBestaccessright(bestaccessrights);
+				}
+			}
 			if (Objects.nonNull(r.getAuthor())) {
 				boolean nullRank = r
 					.getAuthor()
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
index fc77950d0..c43ee29fe 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
@@ -378,6 +378,10 @@ public abstract class AbstractMdRecordToOafMapper {
 
 	protected abstract Field<String> prepareDatasetStorageDate(Document doc, DataInfo info);
 
+	public static Qualifier createBestAccessRights(final List<Instance> instanceList) {
+		return getBestAccessRights(instanceList);
+	}
+
 	protected static Qualifier getBestAccessRights(final List<Instance> instanceList) {
 		if (instanceList != null) {
 			final Optional<Qualifier> min = instanceList
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/clean/CleaningFunctionTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/clean/CleaningFunctionTest.java
index 4783aa81f..559a30b1e 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/clean/CleaningFunctionTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/clean/CleaningFunctionTest.java
@@ -57,6 +57,8 @@ public class CleaningFunctionTest {
 		String json = IOUtils.toString(getClass().getResourceAsStream("/eu/dnetlib/dhp/oa/graph/clean/result.json"));
 		Publication p_in = MAPPER.readValue(json, Publication.class);
 
+		assertNull(p_in.getBestaccessright());
+
 		assertTrue(p_in instanceof Result);
 		assertTrue(p_in instanceof Publication);
 
@@ -84,6 +86,9 @@ public class CleaningFunctionTest {
 				.map(p -> p.getQualifier())
 				.allMatch(q -> pidTerms.contains(q.getClassid())));
 
+		Publication p_defaults = CleanGraphSparkJob.fixDefaults(p_out);
+		assertEquals("CLOSED", p_defaults.getBestaccessright().getClassid());
+
 		// TODO add more assertions to verity the cleaned values
 		System.out.println(MAPPER.writeValueAsString(p_out));
 
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/result.json b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/result.json
index 2c1d5017d..5d0c0d1ed 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/result.json
+++ b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/result.json
@@ -185,12 +185,7 @@
       "surname": ""
     }
   ],
-  "bestaccessright": {
-    "classid": "CLOSED",
-    "classname": "Closed Access",
-    "schemeid": "dnet:access_modes",
-    "schemename": "dnet:access_modes"
-  },
+  "bestaccessright": null,
   "collectedfrom": [
     {
       "key": "10|CSC_________::a2b9ce8435390bcbfc05f3cae3948747",