diff --git a/include/ldap.h b/include/ldap.h
index b8bd1a8166..3df4fb536a 100644
--- a/include/ldap.h
+++ b/include/ldap.h
@@ -219,6 +219,9 @@ typedef struct ldapcontrol {
 
 #define LDAP_CONTROL_VALUESRETURNFILTER "1.2.826.0.1.334810.2.3"
 
+#define LDAP_CONTROL_PERMITMODIFY "1.2.840.113556.1.4.1413"
+#define LDAP_CONTROL_NOREFERRALS "1.2.840.113556.1.4.1339"
+
 /* LDAP Unsolicited Notifications */
 #define	LDAP_NOTICE_OF_DISCONNECTION	"1.3.6.1.4.1.1466.20036"
 #define LDAP_NOTICE_DISCONNECT LDAP_NOTICE_OF_DISCONNECTION