diff --git a/src/openvpn/tls_crypt.c b/src/openvpn/tls_crypt.c
index 24df930..4c421aa 100644
--- a/src/openvpn/tls_crypt.c
+++ b/src/openvpn/tls_crypt.c
@@ -691,7 +691,7 @@
     struct buffer client_key_pem = { 0 };
     struct buffer dst = alloc_buf_gc(TLS_CRYPT_V2_CLIENT_KEY_LEN
                                      + TLS_CRYPT_V2_MAX_WKC_LEN, &gc);
-    struct key2 client_key = { 2 };
+    struct key2 client_key = { .n = 2 };
 
     if (!rand_bytes((void *)client_key.keys, sizeof(client_key.keys)))
     {