diff --git a/net/openconnect/Config.in b/net/openconnect/Config.in
index d73bd3a88..8c84bf2b9 100644
--- a/net/openconnect/Config.in
+++ b/net/openconnect/Config.in
@@ -12,6 +12,7 @@ config OPENCONNECT_GNUTLS
 
 config OPENCONNECT_OPENSSL
 	bool "OpenSSL"
+	select OPENSSL_WITH_DTLS
 
 endchoice