diff --git a/src/freedv_2020.c b/src/freedv_2020.c
index 83e1f54a..a1a3d318 100644
--- a/src/freedv_2020.c
+++ b/src/freedv_2020.c
@@ -279,8 +279,8 @@ int freedv_comprx_2020(struct freedv *f, COMP demod_in[]) {
     uint8_t out_char[coded_bits_per_frame];
 
     if (f->test_frames) {
-      Nerrs_raw = count_uncoded_errors(ldpc, &f->ofdm->config,
-                                       codeword_symbols_de, payload_amps_de, 0);
+      Nerrs_raw = count_uncoded_errors(
+          ldpc, &f->ofdm->config, codeword_symbols_de, codeword_amps_de, 0);
       f->total_bit_errors += Nerrs_raw;
       f->total_bits += f->ofdm_bitsperframe;
     }