diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index 47990f6d0..cd32ca6b4 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -211,6 +211,7 @@ man_MANS =					\
 	krb5_keytab.3				\
 	krb5_krbhst_init.3			\
 	krb5_kuserok.3				\
+	krb5_mk_req.3				\
 	krb5_openlog.3				\
 	krb5_parse_name.3			\
 	krb5_principal.3			\