diff --git a/docs/nmap-install.xml b/docs/nmap-install.xml
index 92ad47747..8171ac0bc 100644
--- a/docs/nmap-install.xml
+++ b/docs/nmap-install.xml
@@ -1115,7 +1115,7 @@ Tools</guilabel>.</para>
 
 <para>Xcode installations don't always include the command line tools.  You can install them by opening Xcode from the Applications folder, opening Preferencechoosing the <literal>Download</literal> header icon and clicking the <literal>Install</literal> button next to <quote>Command Line Tools</quote>.</para>
 
-<para>Once you have installed Xcode and the command-line tools, follow the compilation instructions found in <xref linkend="inst-source" />.  Note that on some older versions of Mac OS X, you may have to replace the command <command>./configure</command> with <command>./configure CPP=/usr/bin/cpp</command>.</para>
+<para>Once you have installed Xcode and the command-line tools, follow the compilation instructions found in <xref linkend="inst-source" />.  Note that on some older versions of Mac OS X, you may have to replace the command <command>./configure</command> with <command>./configure CPP=/usr/bin/cpp</command>. Also, on some newer Mac OS X versions, the libpcap version of the library provided by Apple may be too old. You may have to configure Nmap with the command <command>./configure --with-libpcap=included</command> in order to use the compatible version included in Nmap, or you should update the libpcap installed on your machine.</para>
 </sect3>
 
 <sect3>