diff --git a/usr/usr/bin/hw_management_thermal_control.py b/usr/usr/bin/hw_management_thermal_control.py
index a760ae3b3..103f21658 100755
--- a/usr/usr/bin/hw_management_thermal_control.py
+++ b/usr/usr/bin/hw_management_thermal_control.py
@@ -2199,7 +2199,7 @@ def _collect_hw_info(self):
         # Find voltmon temp sensors
         file_list = os.listdir("{}/thermal".format(self.cmd_arg[CONST.HW_MGMT_ROOT]))
         for fname in file_list:
-            res = re.match(r'(voltmon[0-9]+_temp)_input', fname)
+            res = re.match(r'(voltmon[0-9]+_temp1)_input', fname)
             if res:
                 self.voltmon_file_list.append(res.group(1))
         self.log.info("voltmon count:{}".format(len(self.voltmon_file_list)))