diff --git a/source/common/dmtables.c b/source/common/dmtables.c
index e5536ecf3..263fa5390 100644
--- a/source/common/dmtables.c
+++ b/source/common/dmtables.c
@@ -508,6 +508,8 @@ AdParseTable (
     AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER));
     ASL_CV_INIT_FILETREE(Table, AmlStart, AmlLength);
 
+    AcpiUtSetIntegerWidth (Table->Revision);
+
     /* Create the root object */
 
     AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (AmlStart);