diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index bff37be04b46..6b4e7aaa722f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -281,7 +281,7 @@ struct permanent_flags_t {
 typedef union {
 	struct	permanent_flags_t perm_flags;
 	struct	stclear_flags_t	stclear_flags;
-	bool	owned;
+	__u8	owned;
 	__be32	num_pcrs;
 	struct	tpm_version_t	tpm_version;
 	struct	tpm_version_1_2_t tpm_version_1_2;