diff --git a/tools/atrf-proxy/PROTOCOL b/tools/atrf-proxy/PROTOCOL
index f1a8866..84effb9 100644
--- a/tools/atrf-proxy/PROTOCOL
+++ b/tools/atrf-proxy/PROTOCOL
@@ -83,6 +83,7 @@ device is implicitly closed when closing the TCP session.
 Asynchrous interrupt notification
 ---------------------------------
 
-The WAIT command is not answered until an interrupt or another command is
-received. WAIT returns the value of the IRQ_STATUS register. If WAIT
-times out before receiving an interrupt, it returns 0.
+The WAIT command is not answered until an interrupt or until a timeout.
+A timeout value of 0 means infinite. WAIT returns the value of the
+IRQ_STATUS register. If WAIT times out before receiving an interrupt,
+it returns 0.
diff --git a/tools/atrf-proxy/atrf-proxy.c b/tools/atrf-proxy/atrf-proxy.c
index f860255..b7e42b8 100644
--- a/tools/atrf-proxy/atrf-proxy.c
+++ b/tools/atrf-proxy/atrf-proxy.c
@@ -171,8 +171,6 @@ static int cmd_more(struct atrf_dsc *dsc, struct netio *netio, const char *cmd)
 	if (!strcasecmp(cmd, "wait")) {
 		int res;
 
-		if (!n)
-			n = 1;
 		res = atrf_interrupt_wait(dsc, n);
 		if (atrf_error(dsc))
 			return netio_printf(netio, "-I/O error\n");