diff --git a/drivers/adc/adc_stm32.c b/drivers/adc/adc_stm32.c
index ad3e3121a3a..21cb9dcf8e1 100644
--- a/drivers/adc/adc_stm32.c
+++ b/drivers/adc/adc_stm32.c
@@ -384,9 +384,8 @@ static int start_read(const struct device *dev,
 	/*
 	 * Each channel in the sequence must be previously enabled in PCSEL.
 	 * This register controls the analog switch integrated in the IO level.
-	 * NOTE: There is no LL API to control this register yet.
 	 */
-	adc->PCSEL |= channels & ADC_PCSEL_PCSEL_Msk;
+	LL_ADC_SetChannelPreSelection(adc, channel);
 #endif
 
 #if defined(CONFIG_SOC_SERIES_STM32F0X) || \