diff --git a/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/thermal.py b/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/thermal.py
index 1fbe0ae921..b5c0644a70 100644
--- a/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/thermal.py
+++ b/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/thermal.py
@@ -266,7 +266,7 @@ class Thermal(PddfThermal):
             A float number, the maximum recorded temperature of thermal in Celsius
             up to nearest thousandth of one degree Celsius, e.g. 30.125
         """
-        if self.min_temperature is None:
+        if self.max_temperature is None:
             self.get_temperature()
 
         return self.max_temperature