diff --git a/internal/MozziGuts.hpp b/internal/MozziGuts.hpp
index 660171f28..a3fd88b00 100644
--- a/internal/MozziGuts.hpp
+++ b/internal/MozziGuts.hpp
@@ -84,6 +84,13 @@ uint64_t samples_written_to_buffer = 0;
 inline void bufferAudioOutput(const AudioOutput f) {
   audioOutput(f);
   ++samples_written_to_buffer;
+  #if MOZZI_IS(MOZZI__LEGACY_AUDIO_INPUT_IMPL, 1) // in that case, we rely on asynchroneous ADC reads implemented for mozziAnalogRead to get the audio in samples
+  MOZZI_ASSERT_NOTEQUAL(MOZZI_ANALOG_READ, MOZZI_ANALOG_READ_NONE);
+  adc_count = 0;
+  startSecondADCReadOnCurrentChannel();
+ #endif
+
+  
 }
 #else
 CircularBuffer<AudioOutput> output_buffer;  // fixed size 256
diff --git a/internal/config_checks_rp2040.h b/internal/config_checks_rp2040.h
index 5ba884415..4e1382dac 100644
--- a/internal/config_checks_rp2040.h
+++ b/internal/config_checks_rp2040.h
@@ -125,6 +125,6 @@ MOZZI_CHECK_SUPPORTED(MOZZI_I2S_FORMAT, MOZZI_I2S_FORMAT_PLAIN, MOZZI_I2S_FORMAT
 #define MOZZI__INTERNAL_ANALOG_READ_RESOLUTION 12
 
 MOZZI_CHECK_SUPPORTED(MOZZI_ANALOG_READ, MOZZI_ANALOG_READ_NONE, MOZZI_ANALOG_READ_STANDARD)
-MOZZI_CHECK_SUPPORTED(MOZZI_AUDIO_INPUT, MOZZI_AUDIO_INPUT_NONE, MOZZI_ANALOG_READ_STANDARD)
+MOZZI_CHECK_SUPPORTED(MOZZI_AUDIO_INPUT, MOZZI_AUDIO_INPUT_NONE, MOZZI_AUDIO_INPUT_STANDARD)
 
 #endif        //  #ifndef CONFIG_CHECK_RP2040_H