diff --git a/platforms/nuttx/src/px4/stm/stm32_common/adc/adc.cpp b/platforms/nuttx/src/px4/stm/stm32_common/adc/adc.cpp
index db1b7acd12..b103272997 100644
--- a/platforms/nuttx/src/px4/stm/stm32_common/adc/adc.cpp
+++ b/platforms/nuttx/src/px4/stm/stm32_common/adc/adc.cpp
@@ -183,6 +183,10 @@ int px4_arch_adc_init(uint32_t base_address)
 		}
 	}
 
+	/* Read out result, clear EOC */
+
+	(void) rDR(base_address);
+
 	return 0;
 }