diff --git a/ssl/packet.c b/ssl/packet.c
index 1ddde969f3b232eadb2d349c0a6c0d93ee91a2eb..68a6d6e1be9bf4d2122c8abc377f71af3c9ff748 100755
--- a/ssl/packet.c
+++ b/ssl/packet.c
@@ -11,7 +11,7 @@
 #include "packet_local.h"
 #include <openssl/sslerr.h>
 
-#define DEFAULT_BUF_SIZE    256
+#define DEFAULT_BUF_SIZE    512
 
 int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
 {