diff --git a/net/socket.c b/net/socket.c
index 829b460..fea902f 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -931,7 +931,7 @@
 	if (pos != 0)
 		return -ESPIPE;
 
-	if (iocb->ki_left == 0)	/* Match SYS5 behaviour */
+	if (iocb->ki_nbytes == 0)	/* Match SYS5 behaviour */
 		return 0;