diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 879eaa1..b56953d 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -570,7 +570,7 @@
 
 			/* Truncate package and delete it */
 
-			package_object->package.count = i;
+			package_object->package.count = (u32) i;
 			package_elements[i] = NULL;
 			acpi_ut_remove_reference(package_object);
 			return_ACPI_STATUS(status);