diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 6bfa705..422c8be 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -2328,6 +2328,7 @@
 
 /* SSL options */
 //#define SSL_MAX_CONTENT_LEN             16384 /**< Size of the input / output buffer */
+//#define SSL_MIN_DHM_BYTES                 128 /**< Min size of the Diffie-Hellman prime */
 //#define SSL_DEFAULT_TICKET_LIFETIME     86400 /**< Lifetime of session tickets (if enabled) */
 //#define POLARSSL_PSK_MAX_LEN               32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */