diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
index 05a28d353e343..d98f7e4d202c1 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
@@ -253,7 +253,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev,
 	platform_set_drvdata(pdev, indio_dev);
 
 	state->ec = ec->ec_dev;
-	state->msg = devm_kzalloc(&pdev->dev,
+	state->msg = devm_kzalloc(&pdev->dev, sizeof(*state->msg) +
 				max((u16)sizeof(struct ec_params_motion_sense),
 				state->ec->max_response), GFP_KERNEL);
 	if (!state->msg)