diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 9684cc827930c7e4682aab1d16ae98fcdbb12ab1..22ce489857202b73fa13d293367fa35e346f5d7a 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -538,10 +538,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
 			if (ACPI_FAILURE(status)) {
 				ACPI_WARNING((AE_INFO,
 					      "Truncating %u table entries!",
-					      (unsigned)
-					      (acpi_gbl_root_table_list.size -
-					       acpi_gbl_root_table_list.
-					       count)));
+					      (unsigned) (table_count -
+					       (acpi_gbl_root_table_list.
+					       count - 2))));
 				break;
 			}
 		}