diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index ccce020a2432..2bb2e79ca3cb 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -1020,7 +1020,7 @@ static bool nhi_wake_supported(struct pci_dev *pdev)
 	 * If power rails are sustainable for wakeup from S4 this
 	 * property is set by the BIOS.
 	 */
-	if (device_property_read_u8(&pdev->dev, "WAKE_SUPPORTED", &val))
+	if (!device_property_read_u8(&pdev->dev, "WAKE_SUPPORTED", &val))
 		return !!val;
 
 	return true;