diff --git a/en_US.ISO8859-1/books/handbook/mail/chapter.sgml b/en_US.ISO8859-1/books/handbook/mail/chapter.sgml
index 8240e782ba..5e7fd58307 100644
--- a/en_US.ISO8859-1/books/handbook/mail/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/mail/chapter.sgml
@@ -1172,7 +1172,7 @@ freefall		MX	20	who.cdrom.com</programlisting>
 	<para>Now, edit <filename>/etc/make.conf</filename> and add the
 	  following lines:</para>
 
-	<screen>SENDMAIL_CFLAGS=-I/usr/local/include/sasl -DSASL</screen>
+	<screen>SENDMAIL_CFLAGS=-I/usr/local/include/sasl1 -DSASL</screen>
 	<screen>SENDMAIL_LDFLAGS=-L/usr/local/lib</screen>
 	<screen>SENDMAIL_LDADD=-lsasl</screen>