1 files changed, 2 insertions, 2 deletions
diff --git a/OvmfPkg/XenBusDxe/GrantTable.c b/OvmfPkg/XenBusDxe/GrantTable.c
index f68a8542b5..37d3bf786c 100644
--- a/OvmfPkg/XenBusDxe/GrantTable.c
+++ b/OvmfPkg/XenBusDxe/GrantTable.c
@@ -101,7 +101,7 @@ XenGrantTableGrantAccess (
 
   ASSERT (GrantTable != NULL);
   Ref = XenGrantTableGetFreeEntry ();
-  GrantTable[Ref].frame = Frame;
+  GrantTable[Ref].frame = (UINT32)Frame;
   GrantTable[Ref].domid = DomainId;
   MemoryFence ();
   Flags = GTF_permit_access;
@@ -152,7 +152,7 @@ XenGrantTableInit (
 #endif
   EfiInitializeLock (&mGrantListLock, TPL_NOTIFY);
   for (Index = NR_RESERVED_ENTRIES; Index < NR_GRANT_ENTRIES; Index++) {
-    XenGrantTablePutFreeEntry (Index);
+    XenGrantTablePutFreeEntry ((grant_ref_t)Index);
   }
 
   GrantTable = (VOID*)(UINTN) MmioAddr;