diff --git a/include/ldap.h b/include/ldap.h
index 03f839abbf..87935cece2 100644
--- a/include/ldap.h
+++ b/include/ldap.h
@@ -385,7 +385,7 @@ typedef struct ldapcontrol {
 #define	LDAP_TAG_EXOP_REFRESH_REQ_TTL	((ber_tag_t) 0x81U)
 #define	LDAP_TAG_EXOP_REFRESH_RES_TTL	((ber_tag_t) 0x80U)
 
-#define LDAP_EXOP_VERIFY_CREDENTIALS	"1.1.1"
+#define LDAP_EXOP_VERIFY_CREDENTIALS	"1.3.6.1.4.1.4203.666.6.6"
 #define LDAP_EXOP_X_VERIFY_CREDENTIALS	LDAP_EXOP_X_VERIFY_CREDENTIALS
 
 #define LDAP_TAG_EXOP_VERIFY_CREDENTIALS_COOKIE	((ber_tag_t) 0x80U)