diff --git a/tools/dump/wscript b/tools/dump/wscript
index df23de9..397a076 100644
--- a/tools/dump/wscript
+++ b/tools/dump/wscript
@@ -2,8 +2,9 @@
 top = '../..'
 
 def configure(conf):
-    conf.check_cfg(package='libpcap', uselib_store='PCAP',
-                   path='pcap-config', args='--libs --cflags')
+    conf.check_cfg(msg='Checking for libpcap',
+                   path='pcap-config', args='--cflags --libs',
+                   package='', uselib_store='PCAP')
     conf.check_cxx(msg='Checking if struct tcphdr has member th_off ',
                    define_name='HAVE_BSD_TCPHDR', mandatory=False,
                    fragment='''#include <netinet/tcp.h>