diff --git a/ESP32/main.ino b/ESP32/main.ino
index 9bb78b4..1ffa6fc 100644
--- a/ESP32/main.ino
+++ b/ESP32/main.ino
@@ -256,7 +256,7 @@ void setup() {
 	Serial.print(F("Free RAM after init (decimal bytes): "));
 	Serial.println(ESP.getFreeHeap());
 
-	if (psramFound()) {
+	if (psramInit()) {
 		uint32_t free_psram = ESP.getFreePsram();
 		Serial.printf("Free PSRAM: %d decimal bytes (or %d pages (see 'ramsize' in the debugger))", free_psram, free_psram / 8192l);
 		Serial.println(F(""));
diff --git a/ESP32/platformio.ini b/ESP32/platformio.ini
index 3938d19..fee90e9 100644
--- a/ESP32/platformio.ini
+++ b/ESP32/platformio.ini
@@ -17,7 +17,7 @@ board_build.filesystem = littlefs
 lib_deps = greiman/SdFat@^2.1.2
 	adafruit/Adafruit NeoPixel
 	bblanchon/ArduinoJson@^6.19.4
-build_flags = -std=gnu++2a -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99
+build_flags = -std=gnu++2a -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue
 build_unflags = -std=gnu++11 -std=gnu++17
 extra_scripts = pre:prepare.py