diff --git a/jchuff.c b/jchuff.c
index 29bf389..a169380 100644
--- a/jchuff.c
+++ b/jchuff.c
@@ -426,7 +426,7 @@ dump_buffer (working_state * state)
 LOCAL(boolean)
 flush_bits (working_state * state)
 {
-  JOCTET _buffer[BUFSIZE], *buffer;
+  JOCTET _buffer[BUFSIZE + 8], *buffer;
   size_t put_buffer;  int put_bits;
   size_t bytes, bytestocopy;  int localbuf = 0;
 
@@ -455,7 +455,7 @@ encode_one_block (working_state * state, JCOEFPTR block, int last_dc_val,
   int temp, temp2, temp3;
   int nbits;
   int r, code, size;
-  JOCTET _buffer[BUFSIZE], *buffer;
+  JOCTET _buffer[BUFSIZE + 8], *buffer;
   size_t put_buffer;  int put_bits;
   int code_0xf0 = actbl->ehufco[0xf0], size_0xf0 = actbl->ehufsi[0xf0];
   size_t bytes, bytestocopy;  int localbuf = 0;