diff --git a/show/muxcable.py b/show/muxcable.py
index 217ab23635..3b65e4b638 100644
--- a/show/muxcable.py
+++ b/show/muxcable.py
@@ -63,7 +63,7 @@ def get_switch_name(config_db):
     info_dict = config_db.get_entry("DEVICE_METADATA", "localhost")
     #click.echo("{} ".format(info_dict))
 
-    switch_name = get_value_for_key_in_dict(info_dict, "localhost", "hostname", "DEVICE_METADATA")
+    switch_name = get_value_for_key_in_dict(info_dict, "localhost", "peer_switch", "DEVICE_METADATA")
     if switch_name is not None:
         return switch_name
     else:
diff --git a/tests/mock_tables/config_db.json b/tests/mock_tables/config_db.json
index 21676feb57..a8da97f3eb 100644
--- a/tests/mock_tables/config_db.json
+++ b/tests/mock_tables/config_db.json
@@ -666,6 +666,7 @@
         "hwsku": "Mellanox-SN3800-D112C8",
         "mac": "1d:34:db:16:a6:00",
         "platform": "x86_64-mlnx_msn3800-r0",
+        "peer_switch": "sonic-switch",
         "type": "ToRRouter"
     },
     "DEVICE_NEIGHBOR|Ethernet4": {