diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/sfp_event.py b/platform/mellanox/mlnx-platform-api/sonic_platform/sfp_event.py
index 669c49db8131..519d038ff326 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/sfp_event.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/sfp_event.py
@@ -257,7 +257,7 @@ def check_sfp_status(self, port_change, error_dict, timeout):
         found = 0
 
         try:
-            read, _, _ = select.select([self.rx_fd_p.fd], [], [], timeout)
+            read, _, _ = select.select([self.rx_fd_p.fd], [], [], float(timeout) / 1000)
             print(read)
         except select.error as err:
             rc, msg = err