diff --git a/src/mainboard/starlabs/starbook/variants/cml/devicetree.cb b/src/mainboard/starlabs/starbook/variants/cml/devicetree.cb
index 56165c6d99..f9f59767e5 100644
--- a/src/mainboard/starlabs/starbook/variants/cml/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/cml/devicetree.cb
@@ -175,7 +175,7 @@ chip soc/intel/cannonlake
 				device pnp 4e.19 off end			# Power Management Channel 5
 			end
 		end
-		device pci 1f.1 off end						# P2SB
+		device pci 1f.1 on  end						# P2SB
 		device pci 1f.2 hidden end					# Power Management Controller
 		device pci 1f.3 on						# Intel HDA
 			register "PchHdaAudioLinkHda"		= "1"