Use 64-bit bit buffer when emitting codes.

1 files changed, 1 insertions, 1 deletions

diff --git a/deflate.c b/deflate.c
index f696849..939f47e 100644
--- a/deflate.c
+++ b/deflate.c
@@ -596,7 +596,7 @@ int ZEXPORT PREFIX(deflatePrime)(PREFIX3(stream) *strm, int bits, int value) {
         put = BIT_BUF_SIZE - s->bi_valid;
         if (put > bits)
             put = bits;
-        s->bi_buf |= (uint32_t)((value & ((1 << put) - 1)) << s->bi_valid);
+        s->bi_buf |= (uint64_t)((value & ((1 << put) - 1)) << s->bi_valid);
         s->bi_valid += put;
         zng_tr_flush_bits(s);
         value >>= put;