diff --git a/src/export/ExportFFmpeg.cpp b/src/export/ExportFFmpeg.cpp
index 50a003de5..aacf2bbf3 100644
--- a/src/export/ExportFFmpeg.cpp
+++ b/src/export/ExportFFmpeg.cpp
@@ -523,7 +523,7 @@ bool ExportFFmpeg::InitCodecs(AudacityProject *project)
    mEncAudioCodecCtx->time_base.num = 1;
    mEncAudioCodecCtx->time_base.den = mEncAudioCodecCtx->sample_rate;
    mEncAudioCodecCtx->sample_fmt = AV_SAMPLE_FMT_S16;
-   mEncAudioCodecCtx->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
+   mEncAudioCodecCtx->strict_std_compliance = FF_COMPLIANCE_STRICT;
 
    if (mEncAudioCodecCtx->codec_id == AV_CODEC_ID_AC3)
    {