diff --git a/src/sock.c b/src/sock.c
index 6750607..217e527 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -472,20 +472,19 @@ ssize_t patty_ax25_sock_send_disc(patty_ax25_sock *sock, int pf) {
 
 ssize_t patty_ax25_sock_send_xid(patty_ax25_sock *sock) {
     patty_ax25_params params;
+
     ssize_t encoded;
 
     if (sock->remote.callsign[0] == '\0') {
         goto error_nopeer;
     }
 
-    params.flags = PATTY_AX25_PARAM_CLASSES
-                 | PATTY_AX25_PARAM_HDLC
-                 | PATTY_AX25_PARAM_INFO_TX
-                 | PATTY_AX25_PARAM_INFO_RX
-                 | PATTY_AX25_PARAM_WINDOW_TX
-                 | PATTY_AX25_PARAM_WINDOW_RX
-                 | PATTY_AX25_PARAM_ACK
-                 | PATTY_AX25_PARAM_RETRY;
+    params.flags = (1 << PATTY_AX25_PARAM_CLASSES)
+                 | (1 << PATTY_AX25_PARAM_HDLC)
+                 | (1 << PATTY_AX25_PARAM_INFO_RX)
+                 | (1 << PATTY_AX25_PARAM_WINDOW_RX)
+                 | (1 << PATTY_AX25_PARAM_ACK)
+                 | (1 << PATTY_AX25_PARAM_RETRY);
 
     /*
      * TODO: This value needs to come from the interface this socket is bound