diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 033d76e049..fd94fb1dcc 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -210,7 +210,7 @@ static void ff_compute_band_indexes(MPADecodeContext *s, GranuleDef *g){
             else
                 g->long_end = 4; /* 8000 Hz */
 
-            g->short_start = 2 + (s->sample_rate_index != 8);
+            g->short_start = 3;
         } else {
             g->long_end = 0;
             g->short_start = 0;