diff --git a/plugins/src/org/lockss/plugin/clockss/iop/IopOnixXmlMetadataExtractorFactory.java b/plugins/src/org/lockss/plugin/clockss/iop/IopOnixXmlMetadataExtractorFactory.java
index 308b392f0ef..214ddb52e10 100644
--- a/plugins/src/org/lockss/plugin/clockss/iop/IopOnixXmlMetadataExtractorFactory.java
+++ b/plugins/src/org/lockss/plugin/clockss/iop/IopOnixXmlMetadataExtractorFactory.java
@@ -227,8 +227,8 @@ protected void postCookProcess(SourceXmlSchemaHelper helper,
       String fullDOI = (helper == Onix2Helper) ? oneAM.getRaw(Onix2BooksSchemaHelper.ONIX_idtype_doi) : 
         oneAM.getRaw(Onix3BooksSchemaHelper.ONIX_idtype_doi);
       String clean_doi = null;
-      if (fullDOI != null && fullDOI.contains("dx.doi.org")) {
-        clean_doi = StringUtils.substringAfter(fullDOI,"http://dx.doi.org/");
+      if (fullDOI != null && fullDOI.contains("doi.org")) {
+        clean_doi = StringUtils.substringAfter(fullDOI,"doi.org/");
         if (!(fullDOI.equals(clean_doi))) {
             oneAM.putIfBetter(MetadataField.FIELD_DOI,clean_doi);
         }