diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
index 4c06d283a..1b1c850ba 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
@@ -206,7 +206,7 @@ case object Crossref2Oaf {
     else {
       instance.setDateofacceptance(asField(createdDate.getValue))
     }
-    val s: List[String] = List((json \ "URL").extract[String])
+    val s: List[String] = List("https://doi.org/" + doi)
 //    val links: List[String] = ((for {JString(url) <- json \ "link" \ "URL"} yield url) ::: List(s)).filter(p => p != null && p.toLowerCase().contains(doi.toLowerCase())).distinct
 //    if (links.nonEmpty) {
 //      instance.setUrl(links.asJava)
diff --git a/dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/crossref/CrossrefMappingTest.scala b/dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/crossref/CrossrefMappingTest.scala
index f6d5e124e..5ef92cfa4 100644
--- a/dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/crossref/CrossrefMappingTest.scala
+++ b/dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/crossref/CrossrefMappingTest.scala
@@ -629,7 +629,7 @@ class CrossrefMappingTest {
 
     assertEquals(1, item.getInstance().size())
     assertEquals(1, item.getInstance().get(0).getUrl().size())
-    assertEquals("http://dx.doi.org/10.1016/j.jas.2019.105013", item.getInstance().get(0).getUrl().get(0))
+    assertEquals("https://doi.org/10.1016/j.jas.2019.105013", item.getInstance().get(0).getUrl().get(0))
     //println(mapper.writeValueAsString(item))
 
   }