diff -urN pcapsipdump-0.1.4/pcapsipdump.h pcapsipdump-0.1.4.new/pcapsipdump.h
--- pcapsipdump-0.1.4/pcapsipdump.h	2007-05-11 20:40:49.000000000 +0200
+++ pcapsipdump-0.1.4.new/pcapsipdump.h	2010-03-29 09:52:20.000000000 +0200
@@ -35,7 +35,7 @@
 #elif defined (__BIG_ENDIAN)
 	uint8_t	version:4,
   		ihl:4;
-#elif
+#else
 #error Endian not defined
 #endif
 	uint8_t	tos;