diff --git a/public/inetchannel.h b/public/inetchannel.h
index e052f1f7..36096fb5 100644
--- a/public/inetchannel.h
+++ b/public/inetchannel.h
@@ -49,10 +49,11 @@ struct NetPacket_t
 };
 #endif // NET_PACKET_ST_DEFINED
 
-enum NetChannelBufType_t
+enum NetChannelBufType_t : int8
 {
-	BUF_RELIABLE = 0,
-	BUF_UNRELIABLE,
+	BUF_DEFAULT = -1,
+	BUF_UNRELIABLE = 0,
+	BUF_RELIABLE,
 	BUF_VOICE,
 };
 
diff --git a/public/irecipientfilter.h b/public/irecipientfilter.h
index aa6e3cd0..17a92774 100644
--- a/public/irecipientfilter.h
+++ b/public/irecipientfilter.h
@@ -12,6 +12,7 @@
 #endif
 
 #include "eiface.h"
+#include "inetchannel.h"
 
 //-----------------------------------------------------------------------------
 // Purpose: Generic interface for routing messages to users
@@ -21,10 +22,10 @@ class IRecipientFilter
 public:
 	virtual			~IRecipientFilter() {}
 
-	virtual bool	IsReliable( void ) const = 0;
+	virtual NetChannelBufType_t	GetNetworkBufType( void ) const = 0;
 	virtual bool	IsInitMessage( void ) const = 0;
 
-	virtual int		GetRecipientCount( void ) const = 0;
+	virtual int 	GetRecipientCount( void ) const = 0;
 	virtual CPlayerSlot	GetRecipientIndex( int slot ) const = 0;
 };