diff -uNr jnettop-0.13.0/configure.ac jnettop-0.13.0p/configure.ac
--- jnettop-0.13.0/configure.ac	2006-04-29 16:34:09.000000000 +0300
+++ jnettop-0.13.0p/configure.ac	2013-01-15 23:19:03.758899100 +0200
@@ -74,6 +74,6 @@
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([localtime_r memmove memset pcap_findalldevs pcap_setnonblock inet_ntop inet_ntoa inet_aton syslog])
 
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADER([config.h])
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT