diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h
index 029ab2b46ab7748ad3f26010dd81c46697e00631..45634a1e4d333624a4cd3e247ffc7c572e984f01 100644
--- a/include/linux/psp-sev.h
+++ b/include/linux/psp-sev.h
@@ -402,6 +402,7 @@ struct sev_data_send_update_data {
  */
 struct sev_data_send_update_vmsa {
 	u32 handle;				/* In */
+	u32 reserved1;
 	u64 hdr_address;			/* In */
 	u32 hdr_len;				/* In/Out */
 	u32 reserved2;