diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 20bcdbd89..a72af85bb 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -220,7 +220,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
   CJSON(macroNl, light_nl["macro"]);
 
   JsonObject def = doc[F("def")];
-  CJSON(bootPreset, def[F("ps")]);
+  CJSON(bootPreset, def["ps"]);
   CJSON(turnOnAtBoot, def["on"]); // true
   CJSON(briS, def["bri"]); // 128
 
@@ -593,7 +593,7 @@ void serializeConfig() {
   light_nl["macro"] = macroNl;
 
   JsonObject def = doc.createNestedObject("def");
-  def[F("ps")] = bootPreset;
+  def["ps"] = bootPreset;
   def["on"] = turnOnAtBoot;
   def["bri"] = briS;
 
diff --git a/wled00/json.cpp b/wled00/json.cpp
index de40f5610..1a546c795 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -429,7 +429,7 @@ void serializeState(JsonObject root, bool forPreset, bool includeBri, bool segme
   if (!forPreset) {
     if (errorFlag) root[F("error")] = errorFlag;
 
-    root[F("ps")] = (currentPreset > 0) ? currentPreset : -1;
+    root["ps"] = (currentPreset > 0) ? currentPreset : -1;
     root[F("pl")] = currentPlaylist;
 
     usermods.addToJsonState(root);