diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 3755a81c1efd..9deecd2cd3b4 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -1086,6 +1086,7 @@ config MAX14001
 config MAX34408
 	tristate "Maxim max34408/max344089 ADC driver"
 	depends on I2C
+	select REGMAP_I2C
 	help
 	  Say yes here to build support for Maxim max34408/max34409 current sense
 	  monitor with 8-bits ADC interface with overcurrent delay/threshold and