From 2abc3868950d5388542a68977c5fe41878a47a28 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Sun, 23 Nov 2014 17:22:34 +0000
Subject: [PATCH] Off-by-one error in the json interval calculation.

---
 dump1090.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dump1090.c b/dump1090.c
index 5642070..a530a6a 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -601,7 +601,7 @@ void backgroundTasks(void) {
 
     if (Modes.json_path && Modes.json_interval > 0) {
         time_t now = time(NULL);
-        if (now > next_json) {
+        if (now >= next_json) {
             modesWriteJson(Modes.json_path);
             next_json = now + Modes.json_interval;
         }