diff --git a/drivers/adc/adc_ads1119.c b/drivers/adc/adc_ads1119.c
index 1abdcaad720..638b83fc2b2 100644
--- a/drivers/adc/adc_ads1119.c
+++ b/drivers/adc/adc_ads1119.c
@@ -21,11 +21,11 @@
 LOG_MODULE_REGISTER(ADS1119, CONFIG_ADC_LOG_LEVEL);
 
 
-#define ADS1119_CONFIG_VREF(x) ((x) & BIT(0))
-#define ADS1119_CONFIG_CM(x) ((x) & BIT(1))
-#define ADS1119_CONFIG_DR(x) ((x) & (BIT_MASK(2) << 2))
-#define ADS1119_CONFIG_GAIN(x) ((x) & BIT(4))
-#define ADS1119_CONFIG_MUX(x) ((x) & (BIT_MASK(3) << 5))
+#define ADS1119_CONFIG_VREF(x) (FIELD_PREP(BIT(0), x))
+#define ADS1119_CONFIG_CM(x) (FIELD_PREP(BIT(1), x))
+#define ADS1119_CONFIG_DR(x) (FIELD_PREP(BIT_MASK(2) << 2, x))
+#define ADS1119_CONFIG_GAIN(x) (FIELD_PREP(BIT(4), x))
+#define ADS1119_CONFIG_MUX(x) (FIELD_PREP(BIT_MASK(3) << 5, x))
 
 #define ADS1119_STATUS_MASK_ID BIT_MASK(7)
 #define ADS1119_STATUS_MASK_READY BIT(7)