diff --git a/drivers/adc/adc_nrfx_saadc.c b/drivers/adc/adc_nrfx_saadc.c
index 9b0f59084b6..499d7c4b110 100644
--- a/drivers/adc/adc_nrfx_saadc.c
+++ b/drivers/adc/adc_nrfx_saadc.c
@@ -541,7 +541,7 @@ static inline void single_ended_channel_cut_negative_sample(uint16_t channel_bit
 							    uint8_t single_ended_channels,
 							    int16_t **sample)
 {
-	if ((channel_bit & single_ended_channels) && (*sample < 0)) {
+	if ((channel_bit & single_ended_channels) && (**sample < 0)) {
 		**sample = 0;
 	}
 
@@ -755,6 +755,7 @@ static void event_handler(const nrfx_saadc_evt_t *event)
 			correct_single_ended(&m_data.ctx.sequence, m_data.user_buffer,
 					     event->data.done.size);
 		}
+		nrfy_saadc_disable(NRF_SAADC);
 		adc_context_on_sampling_done(&m_data.ctx, DEVICE_DT_INST_GET(0));
 	} else if (event->type == NRFX_SAADC_EVT_CALIBRATEDONE) {
 		err = nrfx_saadc_mode_trigger();