diff --git a/src/openvpn/ssl.c b/src/openvpn/ssl.c
index 61dea996..24d7f3f4 100644
--- a/src/openvpn/ssl.c
+++ b/src/openvpn/ssl.c
@@ -1940,6 +1940,9 @@ push_peer_info(struct buffer *buf, struct tls_session *session)
         /* support for P_DATA_V2 */
         int iv_proto = IV_PROTO_DATA_V2;
 
+        /* support for the --dns option */
+        iv_proto |= IV_PROTO_DNS_OPTION;
+
         /* support for receiving push_reply before sending
          * push request, also signal that the client wants
          * to get push-reply messages without without requiring a round
diff --git a/src/openvpn/ssl.h b/src/openvpn/ssl.h
index 0ba86d3e..c8802707 100644
--- a/src/openvpn/ssl.h
+++ b/src/openvpn/ssl.h
@@ -93,6 +93,9 @@
  * result. */
 #define IV_PROTO_NCP_P2P         (1<<5)
 
+/** Supports the --dns option introduced in version 2.6 */
+#define IV_PROTO_DNS_OPTION      (1<<6)
+
 /* Default field in X509 to be username */
 #define X509_USERNAME_FIELD_DEFAULT "CN"