diff --git a/components/mbedtls/include/mbedtls/sha512.h b/components/mbedtls/include/mbedtls/sha512.h
index 627694f425..12f4fab4f1 100644
--- a/components/mbedtls/include/mbedtls/sha512.h
+++ b/components/mbedtls/include/mbedtls/sha512.h
@@ -101,6 +101,9 @@ void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *in
  */
 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] );
 
+/* Internal use */
+void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
+
 #ifdef __cplusplus
 }
 #endif
@@ -131,9 +134,6 @@ void mbedtls_sha512( const unsigned char *input, size_t ilen,
  */
 int mbedtls_sha512_self_test( int verbose );
 
-/* Internal use */
-void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
-
 #ifdef __cplusplus
 }
 #endif