diff --git a/wled00/json.cpp b/wled00/json.cpp
index 2cce3de0..caa4316d 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -959,7 +959,7 @@ void setPaletteColors(JsonArray json, byte* tcp)
 
 void serializePalettes(JsonObject root, AsyncWebServerRequest* request)
 {
-  byte tcp[strip.getPaletteCount()]; //WLEDMM use real count instead of fixed number 72
+  byte tcp[13 + GRADIENT_PALETTE_COUNT]; //WLEDMM use real count instead of fixed number 72 (strip.getPaletteCount() not working on 8266)
   #ifdef ESP8266
   int itemPerPage = 5;
   #else
@@ -1054,7 +1054,7 @@ void serializePalettes(JsonObject root, AsyncWebServerRequest* request)
         if (i>=palettesCount) {
           setPaletteColors(curPalette, strip.customPalettes[i - palettesCount]);
         } else {
-          memcpy_P(tcp, (byte*)pgm_read_dword(&(gGradientPalettes[i - 13])), strip.getPaletteCount()); //WLEDMM use real count instead of fixed number 72
+          memcpy_P(tcp, (byte*)pgm_read_dword(&(gGradientPalettes[i - 13])), 13 + GRADIENT_PALETTE_COUNT); //WLEDMM use real count instead of fixed number 72 (strip.getPaletteCount() not working on 8266)
           setPaletteColors(curPalette, tcp);
         }
         }