diff --git a/ietf/bin/rfc-editor-index-updates b/ietf/bin/rfc-editor-index-updates
index da9f85f9b..c3e8f1f46 100755
--- a/ietf/bin/rfc-editor-index-updates
+++ b/ietf/bin/rfc-editor-index-updates
@@ -79,12 +79,12 @@ if len(errata_data) < ietf.sync.rfceditor.MIN_ERRATA_RESULTS:
     sys.exit(1)
 
 new_rfcs = []
-for changes, doc, rfc_published in ietf.sync.rfceditor.update_docs_from_rfc_index(index_data, errata_data, skip_older_than_date=skip_date):
+for rfc_number, changes, doc, rfc_published in ietf.sync.rfceditor.update_docs_from_rfc_index(index_data, errata_data, skip_older_than_date=skip_date):
     if rfc_published:
         new_rfcs.append(doc)
 
     for c in changes:
-        log("RFC%s, %s: %s" % (doc.rfc_number, doc.name, c))
+        log("RFC%s, %s: %s" % (rfc_number, doc.name, c))
 
 sys.exit(0)
 
diff --git a/ietf/sync/rfceditor.py b/ietf/sync/rfceditor.py
index 7a476e136..ce654101c 100644
--- a/ietf/sync/rfceditor.py
+++ b/ietf/sync/rfceditor.py
@@ -336,10 +336,11 @@ def parse_index(response):
 
 def update_docs_from_rfc_index(
     index_data, errata_data, skip_older_than_date=None
-) -> Iterator[tuple[list[str], Document, bool]]:
+) -> Iterator[tuple[int, list[str], Document, bool]]:
     """Given parsed data from the RFC Editor index, update the documents in the database
 
-    Yields a list of change descriptions for each document, if any.
+    Returns an iterator that yields (rfc_number, change_list, doc, rfc_published) for the
+    RFC document and, if applicable, the I-D that it came from.   
 
     The skip_older_than_date is a bare date, not a datetime.
     """
@@ -553,7 +554,7 @@ def update_docs_from_rfc_index(
                     )
                 )
                 draft.save_with_history(draft_events)
-                yield draft_changes, draft, False  # yield changes to the draft
+                yield rfc_number, draft_changes, draft, False  # yield changes to the draft
 
         # check attributes
         verbed = "set" if created_rfc else "changed"
@@ -757,7 +758,7 @@ def update_docs_from_rfc_index(
                 )
             )
             doc.save_with_history(rfc_events)
-            yield rfc_changes, doc, rfc_published  # yield changes to the RFC
+            yield rfc_number, rfc_changes, doc, rfc_published  # yield changes to the RFC
     
     if first_sync_creating_subseries:
         # First - create the known subseries documents that have ghosted. 
diff --git a/ietf/sync/tests.py b/ietf/sync/tests.py
index 49306c47c..db6c1fba1 100644
--- a/ietf/sync/tests.py
+++ b/ietf/sync/tests.py
@@ -350,8 +350,16 @@ class RFCSyncTests(TestCase):
 
         changes = []
         with mock.patch("ietf.sync.rfceditor.log") as mock_log:
-            for _, d, rfc_published in rfceditor.update_docs_from_rfc_index(data, errata, today - datetime.timedelta(days=30)):
+            for rfc_number, _, d, rfc_published in rfceditor.update_docs_from_rfc_index(data, errata, today - datetime.timedelta(days=30)):
                 changes.append({"doc_pk": d.pk, "rfc_published": rfc_published})  # we ignore the actual change list
+                self.assertEqual(rfc_number, 1234)
+                if rfc_published:
+                    self.assertEqual(d.type_id, "rfc")
+                    self.assertEqual(d.rfc_number, rfc_number)
+                else:
+                    self.assertEqual(d.type_id, "draft")
+                    self.assertIsNone(d.rfc_number)
+                    
         self.assertFalse(mock_log.called, "No log messages expected")
 
         draft_doc = Document.objects.get(name=draft_doc.name)