From 6a368266fbf419003e02d4f7a94de9524a1aa0c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Sat, 21 Jan 2017 17:02:38 +0100
Subject: [PATCH] Fix rare bug...

---
 code/espurna/relay.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/espurna/relay.ino b/code/espurna/relay.ino
index a5c0e892..ff185a22 100644
--- a/code/espurna/relay.ino
+++ b/code/espurna/relay.ino
@@ -182,7 +182,7 @@ void relaySetupAPI() {
 
         apiRegister(url, key,
             [relayID](char * buffer, size_t len) {
-				snprintf(buffer, "%d", len, relayStatus(relayID) ? 1 : 0);
+				snprintf(buffer, len, "%d", relayStatus(relayID) ? 1 : 0);
             },
             [relayID](const char * payload) {
                 unsigned int value = payload[0] - '0';