diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index 88f1e1b6..c10a2201 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -1802,7 +1802,10 @@ void WS2812FX::finalizeInit(void)
   for (uint8_t i=0; i<busses.getNumBusses(); i++) {
     Bus *bus = busses.getBus(i);
     if (bus == nullptr) continue;
-    if (bus->getStart() + bus->getLength() > MAX_LEDS) break;
+    if (bus->getStart() + bus->getLength() > MAX_LEDS) {
+      USER_PRINT("\nError: too many LEDs, max number is "); USER_PRINTLN(MAX_LEDS);
+      break;
+    }
     //RGBW mode is enabled if at least one of the strips is RGBW
     _hasWhiteChannel |= bus->hasWhite();
     //refresh is required to remain off if at least one of the strips requires the refresh.
diff --git a/wled00/bus_manager.h b/wled00/bus_manager.h
index 350a5f3f..9259bd1f 100644
--- a/wled00/bus_manager.h
+++ b/wled00/bus_manager.h
@@ -68,7 +68,7 @@ struct BusConfig {
     for (uint8_t i = 0; i < min(unsigned(nPins), sizeof(pins)/sizeof(pins[0])); i++) pins[i] = ppins[i];   //softhack007 fix for potential array out-of-bounds access
   }
 
-  //validates start and length and extends total if needed
+  //validates start and length and extends total if needed // WLEDMM this function is not used anywhere
   bool adjustBounds(uint16_t& total) {
     if (!count) count = 1;
     if (count > MAX_LEDS_PER_BUS) count = MAX_LEDS_PER_BUS;
diff --git a/wled00/const.h b/wled00/const.h
index 26f31ca1..62fbfb62 100644
--- a/wled00/const.h
+++ b/wled00/const.h
@@ -395,7 +395,11 @@
 #define MAX_LEDS 1664 //can't rely on memory limit to limit this to 1600 LEDs
 #else
 //#define MAX_LEDS 8192
-#define MAX_LEDS 8464 // WLEDMM 92x92
+#if !defined(CONFIG_IDF_TARGET_ESP32S3)
+  #define MAX_LEDS 8464 // WLEDMM 92x92 for esp32, esp32-S2 and esp32-c3
+#else
+  #define MAX_LEDS 18436 // WLEDMM 128x128 + 2048 + 4 for esp32-S3
+#endif
 #endif
 #endif
 
diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index 9aec8d78..35d32321 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -5,7 +5,7 @@
 	<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport">
 	<title>LED Settings</title>
 	<script>
-		var d=document,laprev=55,maxB=1,maxV=0,maxM=4000,maxPB=8465,maxL=1333,maxLbquot=0; //maximum bytes for LED allocation: 4kB for 8266, 32kB for 32
+		var d=document,laprev=55,maxB=1,maxV=0,maxM=4000,maxPB=18438,maxL=1333,maxLbquot=0; //maximum bytes for LED allocation: 4kB for 8266, 64kB for 32
 		d.um_p = [];
 		d.rsvd = [];
 		d.ro_gpio = [];