From 718ede8439681eb2c9c041a200b3c7246a7e53a0 Mon Sep 17 00:00:00 2001
From: MichaelDvP <github@mdvp.de>
Date: Mon, 2 Jan 2023 10:08:00 +0100
Subject: [PATCH] prevent writing empty settings

---
 lib/framework/FSPersistence.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/framework/FSPersistence.h b/lib/framework/FSPersistence.h
index 0b66de2f2..c4a4463c9 100644
--- a/lib/framework/FSPersistence.h
+++ b/lib/framework/FSPersistence.h
@@ -81,7 +81,7 @@ class FSPersistence {
         File settingsFile = _fs->open(_filePath, "w");
 
         // failed to open file, return false
-        if (!settingsFile) {
+        if (!settingsFile || !jsonObject.size()) {
 #if defined(EMSESP_DEBUG)
 #if defined(EMSESP_USE_SERIAL)
             Serial.println();