diff --git a/src/ssl/negotiate.c b/src/ssl/negotiate.c
index d50ef8d..200a5a1 100644
--- a/src/ssl/negotiate.c
+++ b/src/ssl/negotiate.c
@@ -158,14 +158,18 @@ static const struct ssl_protocol {
 		.id = TLS1_2_VERSION,
 		.description = SSL_TXT_TLSV1_2
 	},
+#ifdef DTLS1_VERSION
 	{
 		.id = DTLS1_VERSION,
 		.description = "DTLSv1"
 	},
+#endif // DTLS1_VERSION
+#ifdef DTLS1_2_VERSION
 	{
 		.id = DTLS1_2_VERSION,
 		.description = "DTLSv2"
-	}
+	},
+#endif // DTLS1_2_VERSION
 
 };
 
--
libgit2 0.21.2