diff --git a/plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c b/plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c
index 31b0e9b33..7d6c5ae68 100644
--- a/plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c
+++ b/plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c
@@ -132,6 +132,10 @@ static bool initialize_codec(struct enc_encoder *enc)
 		warn("Failed to open AAC codec: %s", av_err2str(ret));
 		return false;
 	}
+	enc->aframe->format = enc->context->sample_fmt;
+	enc->aframe->channels = enc->context->channels;
+	enc->aframe->channel_layout = enc->context->channel_layout;
+	enc->aframe->sample_rate = enc->context->sample_rate;
 
 	enc->frame_size = enc->context->frame_size;
 	if (!enc->frame_size)
diff --git a/plugins/obs-ffmpeg/obs-ffmpeg-output.c b/plugins/obs-ffmpeg/obs-ffmpeg-output.c
index facc17141..9acdef24b 100644
--- a/plugins/obs-ffmpeg/obs-ffmpeg-output.c
+++ b/plugins/obs-ffmpeg/obs-ffmpeg-output.c
@@ -290,6 +290,11 @@ static bool open_audio_codec(struct ffmpeg_data *data)
 		return false;
 	}
 
+	data->aframe->format = context->sample_fmt;
+	data->aframe->channels = context->channels;
+	data->aframe->channel_layout = context->channel_layout;
+	data->aframe->sample_rate = context->sample_rate;
+
 	context->strict_std_compliance = -2;
 
 	ret = avcodec_open2(context, data->acodec, NULL);