diff --git a/drivers/acpi/power_meter.c b/drivers/acpi/power_meter.c
index e8c32a49f14e552b4c19ad54065593f5008a2587..66f67293341ec5f82a01319b2a33c16c379eb84f 100644
--- a/drivers/acpi/power_meter.c
+++ b/drivers/acpi/power_meter.c
@@ -35,7 +35,7 @@
 #define ACPI_POWER_METER_NAME		"power_meter"
 ACPI_MODULE_NAME(ACPI_POWER_METER_NAME);
 #define ACPI_POWER_METER_DEVICE_NAME	"Power Meter"
-#define ACPI_POWER_METER_CLASS		"power_meter_resource"
+#define ACPI_POWER_METER_CLASS		"pwr_meter_resource"
 
 #define NUM_SENSORS			17