diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index a535b7afda5cc3daf2cb80a28fd03fa18c22a6df..75113759f69ddf22a07ce57b4f6117b6e1b4ca70 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -341,7 +341,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
 
 		if (!acpi_ns_valid_path_separator(*external_name) &&
 		    (*external_name != 0)) {
-			return_ACPI_STATUS(AE_BAD_PARAMETER);
+			return_ACPI_STATUS(AE_BAD_PATHNAME);
 		}
 
 		/* Move on the next segment */