diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 8fd25088..c8ad3a5b 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -30,8 +30,8 @@ void deserializeConfig() {
     return;
   }
 
-  //int rev_major = doc["rev"][0]; // 1
-  //int rev_minor = doc["rev"][1]; // 0
+  //int rev_major = doc[F("rev")][0]; // 1
+  //int rev_minor = doc[F("rev")][1]; // 0
 
   //long vid = doc[F("vid")]; // 2010020
 
@@ -127,7 +127,7 @@ void deserializeConfig() {
     //(this shouldn't have been in ins obj. but remains here for compatibility)
     skipFirstLed |= skipFirst = (bool) elm[F("skip")];
     uint8_t ledType = elm[F("type")] | TYPE_WS2812_RGB;
-    bool reversed = elm["rev"];
+    bool reversed = elm[F("rev")];
     //RGBW mode is enabled if at least one of the strips is RGBW
     if ((bool)elm[F("rgbw")]) SET_BIT(ledType,7); else UNSET_BIT(ledType,7);  // hack bit 7 to indicate RGBW (as an override if necessary)
     useRGBW |= (bool)elm[F("rgbw")];
@@ -176,7 +176,7 @@ void deserializeConfig() {
     rlyPin = -1;
   }
   if (relay.containsKey("rev")) {
-    rlyMde = !relay["rev"];
+    rlyMde = !relay[F("rev")];
   }
 
   //int hw_status_pin = hw[F("status")][F("pin")]; // -1
diff --git a/wled00/json.cpp b/wled00/json.cpp
index 02f14078..68475ace 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -89,7 +89,7 @@ void deserializeSegment(JsonObject elem, byte it)
     
     //if (pal != seg.palette && pal < strip.getPaletteCount()) strip.setPalette(pal);
     seg.setOption(SEG_OPTION_SELECTED, elem[F("sel")] | seg.getOption(SEG_OPTION_SELECTED));
-    seg.setOption(SEG_OPTION_REVERSED, elem["rev"] | seg.getOption(SEG_OPTION_REVERSED));
+    seg.setOption(SEG_OPTION_REVERSED, elem[F("rev")] | seg.getOption(SEG_OPTION_REVERSED));
     seg.setOption(SEG_OPTION_MIRROR  , elem[F("mi")]  | seg.getOption(SEG_OPTION_MIRROR  ));
 
     //temporary, strip object gets updated via colorUpdated()
@@ -329,7 +329,7 @@ void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id, bool fo
 	root[F("ix")]  = seg.intensity;
 	root[F("pal")] = seg.palette;
 	root[F("sel")] = seg.isSelected();
-	root["rev"] = seg.getOption(SEG_OPTION_REVERSED);
+	root[F("rev")] = seg.getOption(SEG_OPTION_REVERSED);
   root[F("mi")]  = seg.getOption(SEG_OPTION_MIRROR);
 }
 
diff --git a/wled00/wled.h b/wled00/wled.h
index d5e0ba1f..a963ef70 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2103074
+#define VERSION 2103080
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG