diff --git a/syndicate/relay.py b/syndicate/relay.py
index e4d4d0e..8e4e8bd 100644
--- a/syndicate/relay.py
+++ b/syndicate/relay.py
@@ -192,6 +192,7 @@ class TunnelRelay:
         if variant == 'Turn': self._handle_turn_events(packet.value.value)
         elif variant == 'Error': self._on_error(packet.value.message, packet.value.detail)
         elif variant == 'Extension': pass
+        elif variant == 'Nop': pass
 
     def _on_error(self, message, detail):
         self.facet.log.error('Error from server: %r (detail: %r)', message, detail)