diff --git a/modules/audio_coding/neteq/tools/fake_decode_from_file.cc b/modules/audio_coding/neteq/tools/fake_decode_from_file.cc
index a38de32c1f..a51dac3fe0 100644
--- a/modules/audio_coding/neteq/tools/fake_decode_from_file.cc
+++ b/modules/audio_coding/neteq/tools/fake_decode_from_file.cc
@@ -31,7 +31,7 @@ int FakeDecodeFromFile::DecodeInternal(const uint8_t* encoded,
     // Decoder is asked to produce codec-internal comfort noise.
     RTC_DCHECK(!encoded);  // NetEq always sends nullptr in this case.
     RTC_DCHECK(cng_mode_);
-    RTC_DCHECK_GT(last_decoded_length_, 0);
+    RTC_DCHECK_GT(total_samples_to_decode, 0);
     std::fill_n(decoded, total_samples_to_decode, 0);
     *speech_type = kComfortNoise;
     return rtc::dchecked_cast<int>(total_samples_to_decode);
@@ -55,7 +55,7 @@ int FakeDecodeFromFile::DecodeInternal(const uint8_t* encoded,
       ByteReader<uint32_t>::ReadLittleEndian(&encoded[8]);
   if (original_payload_size_bytes == 1) {
     // This is a comfort noise payload.
-    RTC_DCHECK_GT(last_decoded_length_, 0);
+    RTC_DCHECK_GT(total_samples_to_decode, 0);
     std::fill_n(decoded, total_samples_to_decode, 0);
     *speech_type = kComfortNoise;
     cng_mode_ = true;