diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index c44613b9423baf07acebf52df9a23d3a9aafdfac..274c5ed7cd737ecd3e4eae78458b1879af44747a 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -217,7 +217,7 @@ static ssize_t backup_mode_store(struct device *dev,
 	return count;
 }
 
-DEVICE_ATTR_RW(backup_mode);
+static DEVICE_ATTR_RW(backup_mode);
 
 static int bd9571mwv_suspend(struct device *dev)
 {