diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index eee8809..082a1cb 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -181,6 +181,7 @@
 static int experimental;
 static u32 dbg_level;
 static int force_load;
+static unsigned int hotkey_report_mode;
 
 static int thinkpad_acpi_module_init(void);
 static void thinkpad_acpi_module_exit(void);