diff --git a/src/xsk.c b/src/xsk.c
index 74d84f3..86c1b61 100644
--- a/src/xsk.c
+++ b/src/xsk.c
@@ -553,6 +553,8 @@ static int xsk_setup_xdp_prog(struct xsk_socket *xsk)
 		}
 	} else {
 		xsk->prog_fd = bpf_prog_get_fd_by_id(prog_id);
+		if (xsk->prog_fd < 0)
+			return -errno;
 		err = xsk_lookup_bpf_maps(xsk);
 		if (err) {
 			close(xsk->prog_fd);