diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 5dd4e34df42357c903fccbff132fba6128154485..670803b6a56fec814d104d82bfa4870851ff4ba8 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -963,7 +963,7 @@ int av_get_bits_per_sample(enum CodecID codec_id){
         return 3;
     case CODEC_ID_ADPCM_SBPRO_4:
     case CODEC_ID_ADPCM_CT:
-    case CODEC_ID_ADPCM_WAV:
+    case CODEC_ID_ADPCM_IMA_WAV:
     case CODEC_ID_ADPCM_MS:
     case CODEC_ID_ADPCM_YAMAHA:
         return 4;