diff --git a/pear/Makefile.in b/pear/Makefile.in
index e85b59f3f2c..b4209d382d1 100644
--- a/pear/Makefile.in
+++ b/pear/Makefile.in
@@ -54,6 +54,7 @@ PEAR_FILES = \
 	Log/sql.php \
 	Log/syslog.php \
 	Mail.php \
+	Mail/rfc822.php \
 	Mail/sendmail.php \
 	Mail/smtp.php \
 	Math/Fraction.php \