diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
index 5a297ed29d..bd7fb98b02 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
@@ -50,7 +50,7 @@ logger = Logger()
 
 # magic code defnition for port number, qsfp port position of each Platform
 # port_position_tuple = (PORT_START, QSFP_PORT_START, PORT_END, PORT_IN_BLOCK, EEPROM_OFFSET)
-platform_dict_port = {'x86_64-mlnx_msn2010-r0': 3, 'x86_64-mlnx_msn2100-r0': 1, 'x86_64-mlnx_msn2410-r0': 2, 'x86_64-mlnx_msn2700-r0': 0, 'x86_64-mlnx_lssn2700':0, 'x86_64-mlnx_msn2740-r0': 0, 'x86_64-mlnx_msn3420-r0':5, 'x86_64-mlnx_msn3700-r0': 0, 'x86_64-mlnx_msn3700C-r0': 0, 'x86_64-mlnx_msn3800-r0': 4, 'x86_64-mlnx_msn4600c-r0':4, 'x86_64-mlnx_msn4700-r0': 0}
+platform_dict_port = {'x86_64-mlnx_msn2010-r0': 3, 'x86_64-mlnx_msn2100-r0': 1, 'x86_64-mlnx_msn2410-r0': 2, 'x86_64-mlnx_msn2700-r0': 0, 'x86_64-mlnx_lssn2700':0, 'x86_64-mlnx_msn2740-r0': 0, 'x86_64-mlnx_msn3420-r0':5, 'x86_64-mlnx_msn3700-r0': 0, 'x86_64-mlnx_msn3700c-r0': 0, 'x86_64-mlnx_msn3800-r0': 4, 'x86_64-mlnx_msn4600c-r0':4, 'x86_64-mlnx_msn4700-r0': 0}
 port_position_tuple_list = [(0, 0, 31, 32, 1), (0, 0, 15, 16, 1), (0, 48, 55, 56, 1), (0, 18, 21, 22, 1), (0, 0, 63, 64, 1), (0, 48, 59, 60, 1)]
 
 class Chassis(ChassisBase):