diff --git a/include/types/hlua.h b/include/types/hlua.h
index 4925155..d0e0348 100644
--- a/include/types/hlua.h
+++ b/include/types/hlua.h
@@ -10,6 +10,7 @@
 #define CLASS_CORE     "Core"
 #define CLASS_TXN      "TXN"
 #define CLASS_SOCKET   "Socket"
+#define CLASS_CHANNEL  "Channel"
 
 struct session;
 
@@ -113,4 +114,11 @@
 	luaL_Buffer b; /* buffer used to prepare strings. */
 };
 
+/* This struct is used join to the class "channel". It
+ * just contains a pointer to the manipulated channel.
+ */
+struct hlua_channel {
+	struct channel *chn;
+};
+
 #endif /* _TYPES_HLUA_H */