diff --git a/starboard/shared/starboard/player/filter/adaptive_audio_decoder_internal.cc b/starboard/shared/starboard/player/filter/adaptive_audio_decoder_internal.cc
index 19b99b8f0c8a..440873581577 100644
--- a/starboard/shared/starboard/player/filter/adaptive_audio_decoder_internal.cc
+++ b/starboard/shared/starboard/player/filter/adaptive_audio_decoder_internal.cc
@@ -199,6 +199,8 @@ void AdaptiveAudioDecoder::ResetInternal() {
   flushing_ = false;
   stream_ended_ = false;
   first_output_received_ = false;
+  first_input_written_ = false;
+  output_format_checked_ = false;
 }
 
 void AdaptiveAudioDecoder::OnDecoderOutput() {