diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index bda9c40..9b32f01 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -419,7 +419,7 @@
 	return 0;
 }
 
-int kmx61_set_wake_up_odr(struct kmx61_data *data, int val, int val2)
+static int kmx61_set_wake_up_odr(struct kmx61_data *data, int val, int val2)
 {
 	int ret, odr_bits;