diff --git a/ArmVirtPkg/Library/ArmVirtDxeHobLib/HobLib.c b/ArmVirtPkg/Library/ArmVirtDxeHobLib/HobLib.c
index 41b13b1b6a..2da5d22193 100644
--- a/ArmVirtPkg/Library/ArmVirtDxeHobLib/HobLib.c
+++ b/ArmVirtPkg/Library/ArmVirtDxeHobLib/HobLib.c
@@ -464,7 +464,7 @@ BuildFv3Hob (
   IN          UINT64                      Length,
   IN          UINT32                      AuthenticationStatus,
   IN          BOOLEAN                     ExtractedFv,
-  IN CONST    EFI_GUID                    *FvName, OPTIONAL
+  IN CONST    EFI_GUID                    *FvName  OPTIONAL,
   IN CONST    EFI_GUID                    *FileName OPTIONAL
   )
 {