diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index cac07e997028..1a60fba59fda 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -852,7 +852,7 @@ static int acpi_tad_probe(struct platform_device *pdev)
 	 * runtime suspend.  Everything else should be taken care of by the ACPI
 	 * PM domain callbacks.
 	 */
-	if (ACPI_TAD_AC_WAKE) {
+	if (caps & ACPI_TAD_AC_WAKE) {
 		device_init_wakeup(dev, true);
 		dev_pm_set_driver_flags(dev, DPM_FLAG_SMART_SUSPEND |
 					     DPM_FLAG_MAY_SKIP_RESUME);