diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 4a754921fb6f..9421c1ec86f7 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -696,6 +696,7 @@ config STM32_DFSDM_ADC
 	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	select STM32_DFSDM_CORE
 	select REGMAP_MMIO
+	select IIO_BUFFER
 	select IIO_BUFFER_HW_CONSUMER
 	help
 	  Select this option to support ADCSigma delta modulator for