diff --git a/src/mainboard/google/butterfly/devicetree.cb b/src/mainboard/google/butterfly/devicetree.cb
index 24d973e209..5b3841a1f0 100644
--- a/src/mainboard/google/butterfly/devicetree.cb
+++ b/src/mainboard/google/butterfly/devicetree.cb
@@ -79,7 +79,9 @@ chip northbridge/intel/sandybridge
 				end
 			end # LPC bridge
 			device ref sata1 on end # SATA Controller 1
-			device ref smbus on end # SMBus
+			device ref smbus on
+				subsystemid 0x04B4 0x18D1
+			end # SMBus
 			device ref sata2 off end # SATA Controller 2
 			device ref thermal on end # Thermal
 		end