diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
index a29ae468..0811ea5d 100644
--- a/wled00/bus_manager.cpp
+++ b/wled00/bus_manager.cpp
@@ -786,8 +786,8 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
     setBitArray(_ledsDirty, _len, false);             // reset dirty bits
 
     if (mxconfig.double_buff == false) {
-      #if defined(CONFIG_IDF_TARGET_ESP32S3) && defined(BOARD_HAS_PSRAM) && defined(WLED_USE_PSRAM) && defined(CONFIG_SPIRAM_MODE_OCT)
-      if (psramFound()){
+      #if defined(CONFIG_IDF_TARGET_ESP32S3) && CONFIG_SPIRAM_MODE_OCT && defined(BOARD_HAS_PSRAM) && (defined(WLED_USE_PSRAM) || defined(WLED_USE_PSRAM_JSON))
+      if (psramFound()) {
         _ledBuffer = (CRGB*) ps_calloc(_len, sizeof(CRGB));  // create LEDs buffer (initialized to BLACK)
       } else {
         _ledBuffer = (CRGB*) calloc(_len, sizeof(CRGB));  // create LEDs buffer (initialized to BLACK)