diff --git a/src/wormhole/_code.py b/src/wormhole/_code.py
index 2ad6f9f..2cc80e0 100644
--- a/src/wormhole/_code.py
+++ b/src/wormhole/_code.py
@@ -26,7 +26,7 @@ class Code(object):
     def wire(self, wormhole, rendezvous_connector, nameplate_lister):
         self._W = _interfaces.IWormhole(wormhole)
         self._RC = _interfaces.IRendezvousConnector(rendezvous_connector)
-        self._NL = _interfaces.INameplateListing(nameplate_lister)
+        self._NL = _interfaces.INameplateLister(nameplate_lister)
 
     @m.state(initial=True)
     def S0_unknown(self): pass
diff --git a/src/wormhole/_interfaces.py b/src/wormhole/_interfaces.py
index 647dd2b..c095498 100644
--- a/src/wormhole/_interfaces.py
+++ b/src/wormhole/_interfaces.py
@@ -14,7 +14,7 @@ class IReceive(Interface):
     pass
 class IRendezvousConnector(Interface):
     pass
-class INameplateListing(Interface):
+class INameplateLister(Interface):
     pass
 class ICode(Interface):
     pass
diff --git a/src/wormhole/_nameplate.py b/src/wormhole/_nameplate.py
index b6c1ed9..719f354 100644
--- a/src/wormhole/_nameplate.py
+++ b/src/wormhole/_nameplate.py
@@ -2,7 +2,7 @@ from zope.interface import implementer
 from automat import MethodicalMachine
 from . import _interfaces
 
-@implementer(_interfaces.INameplateListing)
+@implementer(_interfaces.INameplateLister)
 class NameplateListing(object):
     m = MethodicalMachine()
     def __init__(self):
diff --git a/src/wormhole/_rendezvous.py b/src/wormhole/_rendezvous.py
index ca8a0f7..e43ef06 100644
--- a/src/wormhole/_rendezvous.py
+++ b/src/wormhole/_rendezvous.py
@@ -11,7 +11,7 @@ class RendezvousConnector(service.MultiService, object):
     def wire(self, mailbox, code, nameplate_lister):
         self._M = _interfaces.IMailbox(mailbox)
         self._C = _interfaces.ICode(code)
-        self._NL = _interfaces.INameplateListing(nameplate_lister)
+        self._NL = _interfaces.INameplateLister(nameplate_lister)
 
 
     # from Mailbox