diff --git a/nginx-rtmp-kmp-module/src/ngx_rtmp_kmp_track.c b/nginx-rtmp-kmp-module/src/ngx_rtmp_kmp_track.c
index 79bb25de..39a251fe 100644
--- a/nginx-rtmp-kmp-module/src/ngx_rtmp_kmp_track.c
+++ b/nginx-rtmp-kmp-module/src/ngx_rtmp_kmp_track.c
@@ -248,6 +248,12 @@ ngx_rtmp_kmp_track_sync_audio(ngx_kmp_out_track_t *track,
     } else {
         ctx->audio_base_dts = frame->f.dts;
         ctx->audio_samples = 0;
+
+        //TODO: use only in debug builds!
+        ngx_log_error(NGX_LOG_INFO, &track->log, 0,
+            "ngx_rtmp_kmp_track_sync_audio: "
+            "reset audio_base_dts frame_dts  %L est_dts %L margin %L",
+            frame->f.dts, est_dts, margin);
     }
 
     /* TODO: identify short frames (960) from extra data */