diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index a61ce34ac6d0..edad7cb62475 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -4424,7 +4424,7 @@ enum mlxsw_reg_mfcr_pwm_frequency {
  * Controls the frequency of the PWM signal.
  * Access: RW
  */
-MLXSW_ITEM32(reg, mfcr, pwm_frequency, 0x00, 0, 6);
+MLXSW_ITEM32(reg, mfcr, pwm_frequency, 0x00, 0, 7);
 
 #define MLXSW_MFCR_TACHOS_MAX 10