diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/input_clean_cfhb_parameters.json b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/input_clean_cfhb_parameters.json
index 934d173b5..859350bbb 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/input_clean_cfhb_parameters.json
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/input_clean_cfhb_parameters.json
@@ -31,7 +31,7 @@
   },
   {
     "paramName": "md",
-    "paramLongName": "datasourceMasterDuplicate",
+    "paramLongName": "masterDuplicatePath",
     "paramDescription": "path to the file on HDFS holding the datasource id tuples [master, duplicate]",
     "paramRequired": true
   }