diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
index b1e7bc05aa..efab6a4d6f 100644
--- a/py/circuitpy_mpconfig.h
+++ b/py/circuitpy_mpconfig.h
@@ -28,11 +28,11 @@
 // sure that the same feature set and settings are used, such as in atmel-samd
 // and nrf.
 
-#include <stdint.h>
-
 #ifndef __INCLUDED_MPCONFIG_CIRCUITPY_H
 #define __INCLUDED_MPCONFIG_CIRCUITPY_H
 
+#include <stdint.h>
+
 // This is CircuitPython.
 #define CIRCUITPY 1