1 files changed, 1 insertions, 1 deletions

diff --git a/trees.c b/trees.c
index 79cab9f..62411a7 100644
--- a/trees.c
+++ b/trees.c
@@ -1011,7 +1011,7 @@ local void bi_windup(s)
     if (s->bi_valid > 8) {
         put_short(s, s->bi_buf);
     } else if (s->bi_valid > 0) {
-        put_byte(s, s->bi_buf);
+        put_byte(s, (Byte)s->bi_buf);
     }
     s->bi_buf = 0;
     s->bi_valid = 0;