diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c9e0ee4f..63271ad2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ### Development versions after 0.10.0 release
 
+#### Build 2007020
+
 #### Build 2006251
 
 -   Added `SV=2` to HTTP API, allow selecting single segment only
diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 0f5a0829c..c74c113bd 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -1599,7 +1599,7 @@ uint16_t WS2812FX::mode_oscillate(void)
 uint16_t WS2812FX::mode_lightning(void)
 {
   uint16_t ledstart = random16(SEGLEN);               // Determine starting location of flash
-  uint16_t ledlen = random16(SEGLEN -1 -ledstart);    // Determine length of flash (not to go beyond NUM_LEDS-1)
+  uint16_t ledlen = 1 + random16(SEGLEN -ledstart);    // Determine length of flash (not to go beyond NUM_LEDS-1)
   uint8_t bri = 255/random8(1, 3);
 
   if (SEGENV.step == 0)
diff --git a/wled00/wled.h b/wled00/wled.h
index 4f730a247..fda93b52f 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2006290
+#define VERSION 2007020
 
 // ESP8266-01 (blue) got too little storage space to work with all features of WLED. To use it, you must use ESP8266 Arduino Core v2.4.2 and the setting 512K(No SPIFFS).
 
@@ -30,7 +30,7 @@
 #endif
 #define WLED_ENABLE_ADALIGHT       // saves 500b only
 //#define WLED_ENABLE_DMX          // uses 3.5kb (use LEDPIN other than 2)
-#define WLED_ENABLE_WEBSOCKETS
+//#define WLED_ENABLE_WEBSOCKETS
 
 #define WLED_DISABLE_FILESYSTEM        // SPIFFS is not used by any WLED feature yet
 //#define WLED_ENABLE_FS_SERVING   // Enable sending html file from SPIFFS before serving progmem version