--- olddecode.h Thu Jan 10 15:47:48 2002
+++ decode.h    Thu Jan 10 12:15:33 2002
@@ -105,7 +105,7 @@
 #define IP_HEADER_LEN           20
 #define TCP_HEADER_LEN          20
 #define UDP_HEADER_LEN          8
-#define ICMP_HEADER_LEN         8
+#define ICMP_HEADER_LEN         4

 #define TH_FIN  0x01
 #define TH_SYN  0x02