diff --git a/basis/io/sockets/sockets.factor b/basis/io/sockets/sockets.factor
index 55eff0677e..3f68c62a6a 100644
--- a/basis/io/sockets/sockets.factor
+++ b/basis/io/sockets/sockets.factor
@@ -282,7 +282,7 @@ HOOK: (raw) io-backend ( addr -- raw )
 
 HOOK: (broadcast) io-backend ( datagram -- datagram )
 
-HOOK: (receive-unsafe) io-backend ( n buf datagram -- size addrspec )
+HOOK: (receive-unsafe) io-backend ( n buf datagram -- count addrspec )
 
 ERROR: invalid-port object ;