diff --git a/src/modm/platform/adc/samg/adc.hpp.in b/src/modm/platform/adc/samg/adc.hpp.in
index c8677d393b..fcdd554c4f 100644
--- a/src/modm/platform/adc/samg/adc.hpp.in
+++ b/src/modm/platform/adc/samg/adc.hpp.in
@@ -251,6 +251,8 @@ public:
 	{
 		if (!setChannel(channel)) return 0;
 
+		// clear data ready by reading last value register
+		getValue();
 		startConversion();
 		while (!isConversionFinished()) {}