diff --git a/modules/audio_coding/neteq/neteq_impl.cc b/modules/audio_coding/neteq/neteq_impl.cc
index feabb37..05e7b73 100644
--- a/modules/audio_coding/neteq/neteq_impl.cc
+++ b/modules/audio_coding/neteq/neteq_impl.cc
@@ -151,7 +151,7 @@
   last_output_sample_rate_hz_ = fs;
   output_size_samples_ = static_cast<size_t>(kOutputSizeMs * 8 * fs_mult_);
   controller_->SetSampleRate(fs_hz_, output_size_samples_);
-  decoder_frame_length_ = 3 * output_size_samples_;
+  decoder_frame_length_ = 2 * output_size_samples_;  // 20 ms.
   if (create_components) {
     SetSampleRateAndChannels(fs, 1);  // Default is 1 channel.
   }