diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 48e0a4dafac72cba71654be3f3293daa2abf063f..114634da6c6e9f3a7bd7ca77bf04476fc1c2818c 100644
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -132,7 +132,7 @@ static const struct i2c_algorithm i2c_sibyte_algo = {
 /*
  * registering functions to load algorithms at runtime
  */
-int __init i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
+static int __init i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
 {
 	struct i2c_algo_sibyte_data *adap = i2c_adap->algo_data;