diff --git a/src/southbridge/intel/lynxpoint/usb_xhci.c b/src/southbridge/intel/lynxpoint/usb_xhci.c
index eaa260a..0acf35f 100644
--- a/src/southbridge/intel/lynxpoint/usb_xhci.c
+++ b/src/southbridge/intel/lynxpoint/usb_xhci.c
@@ -162,7 +162,7 @@
 	u32 reg32;
 	u8 *mem_base = usb_xhci_mem_base(dev);
 
-	if (!mem_base || slp_typ < 3)
+	if (!mem_base || slp_typ < ACPI_S3)
 		return;
 
 	if (pch_is_lp()) {