diff --git a/lib/lib_basic/NeoPixelBus/src/internal/NeoEsp8266DmaMethod.h b/lib/lib_basic/NeoPixelBus/src/internal/NeoEsp8266DmaMethod.h
index f867ac8db..103215655 100644
--- a/lib/lib_basic/NeoPixelBus/src/internal/NeoEsp8266DmaMethod.h
+++ b/lib/lib_basic/NeoPixelBus/src/internal/NeoEsp8266DmaMethod.h
@@ -39,7 +39,11 @@ extern "C"
 #include "ets_sys.h"
 
 #include "i2s_reg.h"
+#ifndef ARDUINO_ESP8266_RELEASE_3_0_1
 #include "i2s.h"
+#else 
+#include "core_esp8266_i2s.h"
+#endif
 #include "eagle_soc.h"
 #include "esp8266_peri.h"
 #include "slc_register.h"
diff --git a/platformio_tasmota_cenv_sample.ini b/platformio_tasmota_cenv_sample.ini
index 036a7764a..662d5dfa2 100644
--- a/platformio_tasmota_cenv_sample.ini
+++ b/platformio_tasmota_cenv_sample.ini
@@ -6,9 +6,9 @@
 ;build_flags                 = ${core_stage.build_flags}
 
 [core_stage]
-; *** Esp8266 core for Arduino version stage
-platform                    = espressif8266 @ 3.0.0
-platform_packages           =
+; *** Esp8266 core for Arduino 3.0.1
+platform                    = espressif8266
+platform_packages           = framework-arduinoespressif8266 @ https://github.com/esp8266/Arduino/releases/download/3.0.1/esp8266-3.0.1.zip
 ; *** Use Xtensa build chain 10.2. GNU23 from https://github.com/earlephilhower/esp-quick-toolchain
                               tasmota/toolchain-xtensa @ 5.100200.210303
 build_unflags               = ${esp_defaults.build_unflags}