diff --git a/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py b/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
index 00785dd8fddf..9269dbe26fc2 100644
--- a/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
+++ b/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
@@ -188,6 +188,8 @@ def get_target_speed(self):
             sysfs_path = sysfs_path.format(fan_index[self.fan_tray_index])
             pwm = self._api_helper.read_txt_file(sysfs_path)
             target = round(int(pwm) / 255 * 100.0)
+        else:
+            return self.get_speed()
 
         return target