diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
index 814c7aca817..02d89882281 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
@@ -523,4 +523,4 @@ def get_change_event(self, timeout=0):
                 i = i + 1
             return True, {'sfp':port_dict}
         else:
-            return True, {}
+            return True, {'sfp':{}}