diff --git a/sonic_platform_base/sonic_sfp/qsfp_dd.py b/sonic_platform_base/sonic_sfp/qsfp_dd.py
index f2335e3426b5..02281d9970b8 100644
--- a/sonic_platform_base/sonic_sfp/qsfp_dd.py
+++ b/sonic_platform_base/sonic_sfp/qsfp_dd.py
@@ -92,7 +92,10 @@ def decode_media_type(self, eeprom_data, offset, size):
 
     def parse_application(self, sfp_media_type_dict, host_interface, media_interface):
         host_result = host_electrical_interface[host_interface]
-        media_result = sfp_media_type_dict[media_interface]
+        if media_interface in sfp_media_type_dict.keys():
+            media_result = sfp_media_type_dict[media_interface]
+        else:
+            media_result = 'Unknown'
         return host_result, media_result
 
     version = '1.0'