diff --git a/src/internal/NeoEsp8266DmaMethod.h b/src/internal/NeoEsp8266DmaMethod.h
index 0ddc99d..7a8a323 100644
--- a/src/internal/NeoEsp8266DmaMethod.h
+++ b/src/internal/NeoEsp8266DmaMethod.h
@@ -40,7 +40,13 @@ extern "C"
 #include "ets_sys.h"
 
 #include "i2s_reg.h"
-#include "core_esp8266_i2s.h"
+
+#ifdef ARDUINO_ESP8266_MAJOR    //this define was added in ESP8266 Arduino Core version v3.0.1
+  #include "core_esp8266_i2s.h" //for Arduino core >= 3.0.1
+#else
+  #include "i2s.h"              //for Arduino core <= 3.0.0
+#endif
+
 #include "eagle_soc.h"
 #include "esp8266_peri.h"
 #include "slc_register.h"