diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 8c21754..3369620 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -271,6 +271,7 @@
  */
 //#define MBEDTLS_AES_ALT
 //#define MBEDTLS_ARC4_ALT
+//#define MBEDTLS_ARIA_ALT
 //#define MBEDTLS_BLOWFISH_ALT
 //#define MBEDTLS_CAMELLIA_ALT
 //#define MBEDTLS_CCM_ALT
@@ -288,6 +289,7 @@
 //#define MBEDTLS_SHA256_ALT
 //#define MBEDTLS_SHA512_ALT
 //#define MBEDTLS_XTEA_ALT
+
 /*
  * When replacing the elliptic curve module, pleace consider, that it is
  * implemented with two .c files: