diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 65e5203c31..49c4774145 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -418,7 +418,7 @@ static int huf_decode(VLC *vlc, GetByteContext *gb, int nbits, int run_sym,
 
     init_get_bits(&gbit, gb->buffer, nbits);
     while (get_bits_left(&gbit) > 0 && oe < no) {
-        uint16_t x = get_vlc2(&gbit, vlc->table, 12, 2);
+        uint16_t x = get_vlc2(&gbit, vlc->table, 12, 3);
 
         if (x == run_sym) {
             int run = get_bits(&gbit, 8);