diff --git a/src/bink.c b/src/bink.c
index 2f54be0..bb0ec4a 100644
--- a/src/bink.c
+++ b/src/bink.c
@@ -180,12 +180,12 @@ static int DecodeAudioFrame(struct binkMovie* aMovie)
 		return 0;
 
 	if (!aMovie->alInited) {
-		switch (aMovie->audioFrame->channel_layout) {
-		case AV_CH_LAYOUT_MONO:
+		switch (aMovie->audioFrame->channels) {
+		case 1:
 			aMovie->alFormat = (aMovie->audioFrame->format == AV_SAMPLE_FMT_U8) ?
 				AL_FORMAT_MONO8 : AL_FORMAT_MONO16;
 			break;
-		case AV_CH_LAYOUT_STEREO:
+		case 2:
 			aMovie->alFormat = (aMovie->audioFrame->format == AV_SAMPLE_FMT_U8) ?
 				AL_FORMAT_STEREO8 : AL_FORMAT_STEREO16;
 			break;