diff --git a/ports/atmel-samd/boards/matrixportal_m4/mpconfigboard.h b/ports/atmel-samd/boards/matrixportal_m4/mpconfigboard.h
index cbca94e030..475752afb3 100644
--- a/ports/atmel-samd/boards/matrixportal_m4/mpconfigboard.h
+++ b/ports/atmel-samd/boards/matrixportal_m4/mpconfigboard.h
@@ -9,7 +9,7 @@
 
 // These are pins not to reset.
 // QSPI Data pins, PA23 is NeoPixel
-#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11 | PA23)
+#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11 | PORT_PA23)
 // QSPI CS, QSPI SCK
 #define MICROPY_PORT_B (PORT_PB10 | PORT_PB11)
 #define MICROPY_PORT_C (0)