Index: include/ldap_pvt.h
--- include/ldap_pvt.h.orig
+++ include/ldap_pvt.h
@@ -178,7 +178,7 @@ ldap_pvt_get_hname LDAP_P((
 	char **herr ));
 
 #ifdef LDAP_PF_LOCAL
-#define LDAP_IPADDRLEN	(MAXPATHLEN + sizeof("PATH="))
+#define LDAP_IPADDRLEN	(PATH_MAX + sizeof("PATH="))
 #elif defined(LDAP_PF_INET6)
 #define LDAP_IPADDRLEN	sizeof("IP=[ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]:65535")
 #else