diff --git a/jchuff.c b/jchuff.c

index fffaace..3bf0194 100644

--- a/jchuff.c

+++ b/jchuff.c

@@ -428,7 +428,7 @@ dump_buffer (working_state *state)

  * scanning order-- 1, 8, 16, etc.), then this will produce an encoded block

  * larger than 200 bytes.

  */

-#define BUFSIZE (DCTSIZE2 * 4)

+#define BUFSIZE (DCTSIZE2 * 8)

 #define LOAD_BUFFER() { \

   if (state->free_in_buffer < BUFSIZE) { \