diff --git a/wled00/wled.h b/wled00/wled.h
index b58584c5..781a55e6 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -814,7 +814,11 @@ WLED_GLOBAL int8_t spi_sclk  _INIT(HW_PIN_CLOCKSPI);
   #ifndef WLED_DEFINE_GLOBAL_VARS
   WLED_GLOBAL PSRAMDynamicJsonDocument doc;
   #else
-  WLED_GLOBAL PSRAMDynamicJsonDocument doc(JSON_BUFFER_SIZE);
+  #if defined(CONFIG_IDF_TARGET_ESP32S2) || !defined(BOARD_HAS_PSRAM)
+    WLED_GLOBAL PSRAMDynamicJsonDocument doc(JSON_BUFFER_SIZE);       // S2 has very small RAM - lets not push our luck too far
+  #else
+    WLED_GLOBAL PSRAMDynamicJsonDocument doc(JSON_BUFFER_SIZE * 2 );  // initially "doc" is allocated in RAM, and later pushed into PSRAM when the drivers is ready
+  #endif
   //#warning trying to always use dynamic JSON in PSRAM
   #endif
 #else