diff --git a/src/mainboard/lenovo/t430s/variants/t430s/overridetree.cb b/src/mainboard/lenovo/t430s/variants/t430s/overridetree.cb
index ff307027ec..ee949792a7 100644
--- a/src/mainboard/lenovo/t430s/variants/t430s/overridetree.cb
+++ b/src/mainboard/lenovo/t430s/variants/t430s/overridetree.cb
@@ -1,6 +1,11 @@
 chip northbridge/intel/sandybridge
 	device domain 0 on
 		chip southbridge/intel/bd82x6x # Intel Series 7 Panther Point PCH
+			# Enable hotplug on Port 5 for Thunderbolt controller
+			register "pcie_hotplug_map" = "{ 0, 0, 1, 0, 1, 0, 0, 0 }"
+			device pci 1c.4 on
+				subsystemid 0x17aa 0x21fb
+			end # PCIe Port #5 Thunderbolt controller
 			device pci 1f.0 on
 				chip ec/lenovo/h8
 					register "has_bdc_detection" = "1"