diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index add1e2139b..a0c5eb4808 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -649,9 +649,9 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
     if (sr > 0) {
         /* calc from sample rate */
         if (id == AV_CODEC_ID_TTA)
-            return 256 * sr / 245;
+            return 256ll * sr / 245;
         else if (id == AV_CODEC_ID_DST)
-            return 588 * sr / 44100;
+            return 588ll * sr / 44100;
         else if (id == AV_CODEC_ID_BINKAUDIO_DCT) {
             if (sr / 22050 > 22)
                 return 0;