diff --git a/ports/mimxrt10xx/common-hal/neopixel_write/__init__.c b/ports/mimxrt10xx/common-hal/neopixel_write/__init__.c
index 7272a6d499..b86077015c 100644
--- a/ports/mimxrt10xx/common-hal/neopixel_write/__init__.c
+++ b/ports/mimxrt10xx/common-hal/neopixel_write/__init__.c
@@ -28,6 +28,7 @@
 #include "shared-bindings/neopixel_write/__init__.h"
 
 #include "common-hal/microcontroller/Pin.h"
+#include "supervisor/linker.h"
 #include "supervisor/port.h"
 
 uint64_t next_start_raw_ticks = 0;
diff --git a/shared-bindings/neopixel_write/__init__.h b/shared-bindings/neopixel_write/__init__.h
index 39b565ee2f..9799e3413d 100644
--- a/shared-bindings/neopixel_write/__init__.h
+++ b/shared-bindings/neopixel_write/__init__.h
@@ -24,8 +24,8 @@
  * THE SOFTWARE.
  */
 
-#ifndef SAMD_NEOPIXEL_WRITE_H
-#define SAMD_NEOPIXEL_WRITE_H
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_NEOPIXEL_WRITE_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_NEOPIXEL_WRITE_H
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -34,4 +34,4 @@
 
 extern void common_hal_neopixel_write(const digitalio_digitalinout_obj_t* gpio, uint8_t *pixels, uint32_t numBytes);
 
-#endif
+#endif  // MICROPY_INCLUDED_SHARED_BINDINGS_NEOPIXEL_WRITE_H