diff --git a/megaavr/cores/megatinycore/Arduino.h b/megaavr/cores/megatinycore/Arduino.h
index a83e1cb6..5598d8c9 100644
--- a/megaavr/cores/megatinycore/Arduino.h
+++ b/megaavr/cores/megatinycore/Arduino.h
@@ -19,7 +19,7 @@
 
 #ifndef Arduino_h
 #define Arduino_h
-#include "core_parts.h"
+#include "core_devices.h"
 #include "api/ArduinoAPI.h"
 
 #include <avr/pgmspace.h>
diff --git a/megaavr/cores/megatinycore/core_parts.h b/megaavr/cores/megatinycore/core_devices.h
similarity index 100%
rename from megaavr/cores/megatinycore/core_parts.h
rename to megaavr/cores/megatinycore/core_devices.h