diff --git a/src/sock.c b/src/sock.c
index 0af8bfb..af1d1bd 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -275,7 +275,7 @@ int patty_ax25_sock_params_set(patty_ax25_sock *sock,
         }
     }
 
-    return 0;
+    return init_bufs(sock);
 
 error_notsup:
     errno = ENOTSUP;