diff --git a/drivers/sensor/bme280/bme280.c b/drivers/sensor/bme280/bme280.c
index e2b8f34dd68..eceee71f228 100644
--- a/drivers/sensor/bme280/bme280.c
+++ b/drivers/sensor/bme280/bme280.c
@@ -394,7 +394,8 @@ static int bme280_chip_init(const struct device *dev)
 }
 
 #ifdef CONFIG_PM_DEVICE
-int bme280_pm_action(const struct device *dev, enum pm_device_action action)
+static int bme280_pm_action(const struct device *dev,
+			    enum pm_device_action action)
 {
 	int ret = 0;