diff --git a/ietf/doc/tests.py b/ietf/doc/tests.py
index 55bd48ef5..71ec23906 100644
--- a/ietf/doc/tests.py
+++ b/ietf/doc/tests.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2012-2020, All Rights Reserved
+# Copyright The IETF Trust 2012-2023, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -156,6 +156,23 @@ class SearchTests(TestCase):
         self.assertEqual(r.status_code, 200)
         self.assertContains(r, draft.title)
 
+    def test_search_became_rfc(self):
+        draft = WgDraftFactory()
+        rfc = WgRfcFactory()
+        draft.set_state(State.objects.get(type="draft", slug="rfc"))
+        draft.relateddocument_set.create(relationship_id="became_rfc", target=rfc)
+        base_url = urlreverse('ietf.doc.views_search.search')
+
+        # find by RFC
+        r = self.client.get(base_url + f"?rfcs=on&name={rfc.name}")
+        self.assertEqual(r.status_code, 200)
+        self.assertContains(r, rfc.title)
+
+        # find by draft
+        r = self.client.get(base_url + f"?activedrafts=on&rfcs=on&name={draft.name}")
+        self.assertEqual(r.status_code, 200)
+        self.assertContains(r, rfc.title)
+
     def test_search_for_name(self):
         draft = WgDraftFactory(name='draft-ietf-mars-test',group=GroupFactory(acronym='mars',parent=Group.objects.get(acronym='farfut')),authors=[PersonFactory()],ad=PersonFactory())
         draft.set_state(State.objects.get(used=True, type="draft-iesg", slug="pub-req"))
diff --git a/ietf/doc/views_search.py b/ietf/doc/views_search.py
index 2e4231c5a..789f32e38 100644
--- a/ietf/doc/views_search.py
+++ b/ietf/doc/views_search.py
@@ -211,6 +211,9 @@ def retrieve_search_results(form, all_types=False):
                     Q(targets_related__source__title__icontains=singlespace, targets_related__relationship_id="contains"),
                 ])
 
+        if query["rfcs"]:
+            queries.extend([Q(targets_related__source__name__icontains=look_for, targets_related__relationship_id="became_rfc")])
+
         combined_query = reduce(operator.or_, queries)
         docs = docs.filter(combined_query).distinct()