diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 6dd1c0e7dcd9..e51c1e753607 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1032,7 +1032,7 @@ struct sony_backlight_props {
 	u8			offset;
 	u8			maxlvl;
 };
-struct sony_backlight_props sony_bl_props;
+static struct sony_backlight_props sony_bl_props;
 
 static int sony_backlight_update_status(struct backlight_device *bd)
 {