diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/fan.py b/platform/mellanox/mlnx-platform-api/sonic_platform/fan.py
index d0114dedae..1ef36f2b0b 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/fan.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/fan.py
@@ -341,8 +341,8 @@ class Fan(FanBase):
             An integer, the percentage of variance from target speed which is
                  considered tolerable
         """
-        # The tolerance value is fixed as 20% for all the Mellanox platform
-        return 20
+        # The tolerance value is fixed as 50% for all the Mellanox platform
+        return 50
 
     @classmethod
     def set_cooling_level(cls, level, cur_state):