diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 40ff53f..9a0c701 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -150,7 +150,8 @@
     ( defined(MBEDTLS_CIPHER_MODE_CBC) &&                               \
       ( defined(MBEDTLS_AES_C)      ||                                  \
         defined(MBEDTLS_CAMELLIA_C) ||                                  \
-        defined(MBEDTLS_ARIA_C) ) )
+        defined(MBEDTLS_ARIA_C)     ||                                  \
+        defined(MBEDTLS_DES_C) ) )
 #define MBEDTLS_SSL_SOME_MODES_USE_MAC
 #endif