diff --git a/os/hal/ports/STM32/LLD/ADCv3/adc_lld.c b/os/hal/ports/STM32/LLD/ADCv3/adc_lld.c
index 289b3067d..a83ccb695 100644
--- a/os/hal/ports/STM32/LLD/ADCv3/adc_lld.c
+++ b/os/hal/ports/STM32/LLD/ADCv3/adc_lld.c
@@ -546,7 +546,14 @@ void adc_lld_init(void) {
 #if defined(STM32L4XX)
   rccEnableADC123(FALSE);
   rccResetADC123();
+
+#if defined(ADC1_2_COMMON)
+  ADC1_2_COMMON->CCR = STM32_ADC_ADC123_CLOCK_MODE | ADC_DMA_MDMA;
+#elif defined(ADC123_COMMON)
   ADC123_COMMON->CCR = STM32_ADC_ADC123_CLOCK_MODE | ADC_DMA_MDMA;
+#else
+  ADC1_COMMON->CCR = STM32_ADC_ADC123_CLOCK_MODE | ADC_DMA_MDMA;
+#endif
   rccDisableADC123(FALSE);
 #endif
 }
diff --git a/readme.txt b/readme.txt
index e43c07dc4..46a055d5f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -73,6 +73,7 @@
 *****************************************************************************
 
 *** 16.1.6 ***
+- HAL: Fixed wrong initialization in ADC lld v3 (bug #807).
 - HAL: Fixed wrong clock init in STM32F0 port ad added more error checks
        (bug #806).
 - HAL: Fixed misplaced else in STM32F0 port (bug #805).