diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2f0d4db40a9e8aa078787b177d138322fdd6c0b9..3fe1fbec7677521b1c12ad1dec9a8f1c6e216d09 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -632,14 +632,16 @@ static int acpi_freeze_prepare(void)
 	acpi_enable_wakeup_devices(ACPI_STATE_S0);
 	acpi_enable_all_wakeup_gpes();
 	acpi_os_wait_events_complete();
-	enable_irq_wake(acpi_gbl_FADT.sci_interrupt);
+	if (acpi_sci_irq_valid())
+		enable_irq_wake(acpi_sci_irq);
 	return 0;
 }
 
 static void acpi_freeze_restore(void)
 {
 	acpi_disable_wakeup_devices(ACPI_STATE_S0);
-	disable_irq_wake(acpi_gbl_FADT.sci_interrupt);
+	if (acpi_sci_irq_valid())
+		disable_irq_wake(acpi_sci_irq);
 	acpi_enable_all_runtime_gpes();
 }