diff --git a/components/media/disk/guid.h b/components/media/disk/guid.h
index 10bf916..cf7f836 100644
--- a/components/media/disk/guid.h
+++ b/components/media/disk/guid.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2022-2023, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -33,4 +33,7 @@
 #define DISK_GUID_UNIQUE_PARTITION_PSA_PS \
 	"701456da-9b50-49b2-9722-47510f851ccd"
 
+#define DISK_GUID_UNIQUE_PARTITION_DISK_HEADER \
+	"5cb130b7-a138-4d08-b0be-c2d4eff57870"
+
 #endif /* MEDIA_DISK_GUID_H */