diff --git a/net/ssvnc/Makefile b/net/ssvnc/Makefile
index 003d50db5bfc..bfd4680bf470 100644
--- a/net/ssvnc/Makefile
+++ b/net/ssvnc/Makefile
@@ -34,6 +34,13 @@ ULTRAFTP_DESC=		UltraVNC File Transfer support (Java required)
 ULTRAFTP_USE=		JAVA=yes
 ULTRAFTP_MAKE_ARGS_OFF=	JSRC=""
 
+.include <bsd.port.pre.mk>
+
+.if ${SSL_DEFAULT} == base
+BROKEN_FreeBSD_12=	variable has incomplete type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
+BROKEN_FreeBSD_13=	variable has incomplete type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|netstat -ant|netstat -an|' \
 		${WRKSRC}/scripts/util/ss_vncviewer
@@ -44,4 +51,4 @@ do-configure:
 	(cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} \
 		${MAKE_CMD} ${MAKE_ARGS} config)
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>