diff --git a/logos_delivery/channels/reliable_channel_manager.nim b/logos_delivery/channels/reliable_channel_manager.nim
index c012ff436..d3f671c2b 100644
--- a/logos_delivery/channels/reliable_channel_manager.nim
+++ b/logos_delivery/channels/reliable_channel_manager.nim
@@ -28,7 +28,7 @@ type
     ## channel API. Placeholder for now (segmentation / SDS / rate-limit defaults
     ## will move here in a follow-up PR); kept so each layer owns its own config.
 
-  ReliableChannelManager* = ref object
+  ReliableChannelManager* = ref object of IReliableChannelManager
     channels*: Table[ChannelId, ReliableChannel] ## read by `channels/api.nim`
     messagingClient: MessagingClient ## The channel layer chains onto messaging.
     sendHandler*: SendHandler