diff --git a/libc/kernel/uapi/linux/fscrypt.h b/libc/kernel/uapi/linux/fscrypt.h
index b4361ec..33ed9c6 100644
--- a/libc/kernel/uapi/linux/fscrypt.h
+++ b/libc/kernel/uapi/linux/fscrypt.h
@@ -27,7 +27,8 @@
 #define FSCRYPT_POLICY_FLAGS_PAD_MASK 0x03
 #define FSCRYPT_POLICY_FLAG_DIRECT_KEY 0x04
 #define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 0x08
-#define FSCRYPT_POLICY_FLAGS_VALID 0x0F
+#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32 0x10
+#define FSCRYPT_POLICY_FLAGS_VALID 0x1F
 #define FSCRYPT_MODE_AES_256_XTS 1
 #define FSCRYPT_MODE_AES_256_CTS 4
 #define FSCRYPT_MODE_AES_128_CBC 5