diff --git a/src/mainboard/google/beltino/devicetree.cb b/src/mainboard/google/beltino/devicetree.cb
index d96ee118bc..9dacd6d71e 100644
--- a/src/mainboard/google/beltino/devicetree.cb
+++ b/src/mainboard/google/beltino/devicetree.cb
@@ -84,6 +84,7 @@ chip northbridge/intel/haswell
 					register "TMPIN3.mode" = "THERMAL_PECI"
 					# Enable FAN2
 					register "FAN2.mode" = "FAN_SMART_SOFTWARE"
+					register "FAN2.smart.pwm_start" = "30"
 
 					device pnp 2e.0 off end # FDC
 					device pnp 2e.1 on # Serial Port 1