diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/complete/Extractor.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/complete/Extractor.java
index 31886d1b1..7e8ddfaf8 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/complete/Extractor.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/complete/Extractor.java
@@ -147,7 +147,7 @@ public class Extractor implements Serializable {
 					.map(
 						paction -> Provenance
 							.newInstance(
-								paction.getClassid(),
+								paction.getClassname(),
 								dinfo.getTrust()))
 					.orElse(
 						Provenance