diff --git a/src/keria/app/aiding.py b/src/keria/app/aiding.py
index b9968980..c2e8625b 100644
--- a/src/keria/app/aiding.py
+++ b/src/keria/app/aiding.py
@@ -405,7 +405,7 @@ def on_post(req, rep):
                 # create Hab and incept the key store (if any)
                 # Generate response, either the serder or a long running operaton indicator for the type
                 rep.content_type = "application/json"
-                if hab.kever.delegator:
+                if hab.kever.delpre:
                     agent.anchors.append(dict(pre=hab.pre, sn=0))
                     op = agent.monitor.submit(hab.kever.prefixer.qb64, longrunning.OpTypes.delegation,
                                               metadata=dict(pre=hab.pre, sn=0))
@@ -537,7 +537,7 @@ def rotate(agent, name, body):
 
             return op
 
-        if hab.kever.delegator:
+        if hab.kever.delpre:
             agent.anchors.append(dict(alias=name, pre=hab.pre, sn=serder.sn))
             op = agent.monitor.submit(hab.kever.prefixer.qb64, longrunning.OpTypes.delegation,
                                       metadata=dict(pre=hab.pre, sn=serder.sn))
diff --git a/src/keria/app/delegating.py b/src/keria/app/delegating.py
index b08dcd7b..cb68293b 100644
--- a/src/keria/app/delegating.py
+++ b/src/keria/app/delegating.py
@@ -41,7 +41,7 @@ def delegation(self, pre, sn=None, proxy=None):
 
         # load the hab of the delegated identifier to anchor
         hab = self.hby.habs[pre]
-        delpre = hab.kever.delegator  # get the delegator identifier
+        delpre = hab.kever.delpre  # get the delegator identifier
         if delpre not in hab.kevers:
             raise kering.ValidationError(f"delegator {delpre} not found, unable to process delegation")
 
@@ -126,7 +126,7 @@ def processUnanchoredEscrow(self):
         """
         for (pre, said), serder in self.hby.db.dune.getItemIter():  # group partial witness escrow
             kever = self.hby.kevers[pre]
-            dkever = self.hby.kevers[kever.delegator]
+            dkever = self.hby.kevers[kever.delpre]
 
             seal = dict(i=serder.pre, s=serder.snh, d=serder.said)
             if dserder := self.hby.db.findAnchoringSealEvent(dkever.prefixer.qb64, seal=seal):
diff --git a/src/keria/testing/testing_helper.py b/src/keria/testing/testing_helper.py
index e6cece6e..34287efa 100644
--- a/src/keria/testing/testing_helper.py
+++ b/src/keria/testing/testing_helper.py
@@ -473,7 +473,7 @@ def createRegistry(client, agent, salt, doist, deeds):
                                   baks=[],
                                   toad="0",
                                   nonce=nonce,
-                                  cnfg=[eventing.TraitCodex.NoBackers],
+                                  cnfg=[eventing.TraitCodex.NoRegistrarBackers],
                                   code=coring.MtrDex.Blake3_256)
         anchor = dict(i=regser.ked['i'], s=regser.ked["s"], d=regser.said)
         serder, sigers = Helpers.interact(pre=pre, bran=salt, pidx=0, ridx=0, dig=aid['d'], sn='1', data=[anchor])
diff --git a/tests/app/test_credentialing.py b/tests/app/test_credentialing.py
index 3f94e79d..e8201305 100644
--- a/tests/app/test_credentialing.py
+++ b/tests/app/test_credentialing.py
@@ -118,7 +118,7 @@ def test_registry_end(helpers, seeder):
                                  baks=[],
                                  toad="0",
                                  nonce=nonce,
-                                 cnfg=[TraitCodex.NoBackers],
+                                 cnfg=[TraitCodex.NoRegistrarBackers],
                                  code=coring.MtrDex.Blake3_256)
         anchor = dict(i=regser.ked['i'], s=regser.ked["s"], d=regser.said)
         serder, sigers = helpers.interact(pre=pre, bran=salt, pidx=0, ridx=0, dig=aid['d'], sn='1', data=[anchor])
diff --git a/tests/app/test_ipexing.py b/tests/app/test_ipexing.py
index 63dc8771..76ca941f 100644
--- a/tests/app/test_ipexing.py
+++ b/tests/app/test_ipexing.py
@@ -596,7 +596,7 @@ def test_multisig_grant_admit(seeder, helpers):
                                   baks=[],
                                   toad="0",
                                   nonce=nonce,
-                                  cnfg=[eventing.TraitCodex.NoBackers],
+                                  cnfg=[eventing.TraitCodex.NoRegistrarBackers],
                                   code=coring.MtrDex.Blake3_256)
 
         anchor = dict(i=regser.ked['i'], s=regser.ked["s"], d=regser.said)