diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 0222bba..a717a25 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -517,7 +517,7 @@
  ****************************************************************************/
 
 static struct platform_device *tpacpi_pdev;
-static struct class_device *tpacpi_hwmon;
+static struct device *tpacpi_hwmon;
 static struct input_dev *tpacpi_inputdev;