diff --git a/include/ircd/m/node.h b/include/ircd/m/node.h
index fc439c565..40788541f 100644
--- a/include/ircd/m/node.h
+++ b/include/ircd/m/node.h
@@ -41,6 +41,8 @@ struct ircd::m::node
 
 	id node_id;
 
+	operator const id &() const;
+
 	id::room room_id(const mutable_buffer &) const;
 	id::room::buf room_id() const;
 
@@ -66,3 +68,10 @@ struct ircd::m::node::room
 	room(const room &) = delete;
 	room &operator=(const room &) = delete;
 };
+
+inline ircd::m::node::operator
+const ircd::m::node::id &()
+const
+{
+	return node_id;
+}
diff --git a/include/ircd/m/room.h b/include/ircd/m/room.h
index f0f723041..f48b6247b 100644
--- a/include/ircd/m/room.h
+++ b/include/ircd/m/room.h
@@ -96,7 +96,7 @@ struct ircd::m::room
 	id room_id;
 	event::id event_id;
 
-	operator const id &() const        { return room_id;                       }
+	operator const id &() const;
 
 	// Convenience passthru to room::state (logarithmic query)
 	bool has(const string_view &type, const string_view &state_key) const;
@@ -324,3 +324,10 @@ struct ircd::m::room::state::tuple
 };
 
 #pragma GCC diagnostic pop
+
+inline ircd::m::room::operator
+const ircd::m::room::id &()
+const
+{
+	return room_id;
+}
diff --git a/include/ircd/m/user.h b/include/ircd/m/user.h
index 91f3589f5..49bb38c7e 100644
--- a/include/ircd/m/user.h
+++ b/include/ircd/m/user.h
@@ -27,6 +27,8 @@ struct ircd::m::user
 
 	id user_id;
 
+	operator const id &() const;
+
 	static m::room users;
 	static m::room tokens;
 
@@ -61,3 +63,10 @@ struct ircd::m::user::room
 	room(const room &) = delete;
 	room &operator=(const room &) = delete;
 };
+
+inline ircd::m::user::operator
+const ircd::m::user::id &()
+const
+{
+	return user_id;
+}