1 files changed, 1 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F4xx/adc_lld.c b/os/hal/platforms/STM32F4xx/adc_lld.c
index a4bfac99f..777804b5a 100644
--- a/os/hal/platforms/STM32F4xx/adc_lld.c
+++ b/os/hal/platforms/STM32F4xx/adc_lld.c
@@ -276,6 +276,7 @@ void adc_lld_start(ADCDriver *adcp) {
     /* ADC initial setup, starting the analog part here in order to reduce
        the latency when starting a conversion.*/
     adcp->adc->CR1 = 0;
+    adcp->adc->CR2 = 0;
     adcp->adc->CR2 = ADC_CR2_ADON;
   }
 }