1 files changed, 2 insertions, 2 deletions
diff --git a/MdePkg/Include/Library/FvbServiceLib.h b/MdePkg/Include/Library/FvbServiceLib.h
index 27b0f08822..19854753f4 100644
--- a/MdePkg/Include/Library/FvbServiceLib.h
+++ b/MdePkg/Include/Library/FvbServiceLib.h
@@ -119,8 +119,8 @@ EfiFvbGetVolumeAttributes (
 **/
 EFI_STATUS
 EfiFvbSetVolumeAttributes (
-  IN UINTN                                Instance,
-  IN EFI_FVB_ATTRIBUTES                   Attributes
+  IN     UINTN                                Instance,
+  IN OUT EFI_FVB_ATTRIBUTES                   *Attributes
   );