diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index d96b1407e8..670a96af3c 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1676,7 +1676,7 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
             case AV_CODEC_ID_ADPCM_THP:
             case AV_CODEC_ID_ADPCM_THP_LE:
                 if (extradata)
-                    return frame_bytes * 14 / (8 * ch);
+                    return frame_bytes * 14LL / (8 * ch);
                 break;
             case AV_CODEC_ID_ADPCM_XA:
                 return (frame_bytes / 128) * 224 / ch;