diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index adb63a266fc75..7f7f1b95290fc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -8680,7 +8680,7 @@ mlxsw_reg_mpat_eth_rspan_l3_ipv6_pack(char *payload, u8 ttl,
  * properties.
  */
 #define MLXSW_REG_MPAR_ID 0x901B
-#define MLXSW_REG_MPAR_LEN 0x08
+#define MLXSW_REG_MPAR_LEN 0x0C
 
 MLXSW_REG_DEFINE(mpar, MLXSW_REG_MPAR_ID, MLXSW_REG_MPAR_LEN);