diff --git a/board/crypto/rsa.h b/board/crypto/rsa.h
index 405f62e..5406798 100644
--- a/board/crypto/rsa.h
+++ b/board/crypto/rsa.h
@@ -28,12 +28,12 @@
 #ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
 #define SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
 
+#include "stdint.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "stdint.h"
-
 #define RSANUMBYTES 256           /* 2048 bit key length */
 #define RSANUMWORDS (RSANUMBYTES / sizeof(uint32_t))