diff --git a/drivers/firmware/efi/reboot.c b/drivers/firmware/efi/reboot.c
index 7117e2d0c7f9..22874544d301 100644
--- a/drivers/firmware/efi/reboot.c
+++ b/drivers/firmware/efi/reboot.c
@@ -5,7 +5,7 @@
 #include <linux/efi.h>
 #include <linux/reboot.h>
 
-void (*orig_pm_power_off)(void);
+static void (*orig_pm_power_off)(void);
 
 int efi_reboot_quirk_mode = -1;