diff --git a/libc/kernel/uapi/misc/pvpanic.h b/libc/kernel/uapi/misc/pvpanic.h
index bc421ae..8e1be62 100644
--- a/libc/kernel/uapi/misc/pvpanic.h
+++ b/libc/kernel/uapi/misc/pvpanic.h
@@ -6,6 +6,8 @@
  */
 #ifndef __PVPANIC_H__
 #define __PVPANIC_H__
-#define PVPANIC_PANICKED (1 << 0)
-#define PVPANIC_CRASH_LOADED (1 << 1)
+#include <linux/const.h>
+#define PVPANIC_PANICKED _BITUL(0)
+#define PVPANIC_CRASH_LOADED _BITUL(1)
+#define PVPANIC_SHUTDOWN _BITUL(2)
 #endif