diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 0bab27523415fa0f9bbcd6fef07b740503cf9d40..f1052f449120538749f50c7132ce4e65b5d9921d 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -10,7 +10,7 @@
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
-#define pr_fmt(fmt) "ACPI: PM: " fmt
+#define pr_fmt(fmt) "PM: " fmt
 
 #include <linux/acpi.h>
 #include <linux/export.h>