diff --git a/libc/kernel/uapi/linux/seccomp.h b/libc/kernel/uapi/linux/seccomp.h
index a1e577d..6f7cbbe 100644
--- a/libc/kernel/uapi/linux/seccomp.h
+++ b/libc/kernel/uapi/linux/seccomp.h
@@ -60,6 +60,7 @@
   __u32 flags;
   struct seccomp_data data;
 };
+#define SECCOMP_USER_NOTIF_FLAG_CONTINUE (1UL << 0)
 struct seccomp_notif_resp {
   __u64 id;
   __s64 val;