diff --git a/ext/ldap/ldap.c b/ext/ldap/ldap.c
index f325a00ecf5..8e2bfaba314 100644
--- a/ext/ldap/ldap.c
+++ b/ext/ldap/ldap.c
@@ -711,7 +711,7 @@ PHP_MINIT_FUNCTION(ldap)
 	REGISTER_STRING_CONSTANT("LDAP_CONTROL_X_TREE_DELETE", LDAP_CONTROL_X_TREE_DELETE, CONST_PERSISTENT | CONST_CS);
 	REGISTER_STRING_CONSTANT("LDAP_CONTROL_X_EXTENDED_DN", LDAP_CONTROL_X_EXTENDED_DN, CONST_PERSISTENT | CONST_CS);
 #endif
-#ifdef LDAP_CONTROL_X_INCREMENTAL_VALUES
+#ifdef LDAP_CONTROL_VLVREQUEST
 	/* LDAP VLV */
 	REGISTER_STRING_CONSTANT("LDAP_CONTROL_VLVREQUEST", LDAP_CONTROL_VLVREQUEST, CONST_PERSISTENT | CONST_CS);
 	REGISTER_STRING_CONSTANT("LDAP_CONTROL_VLVRESPONSE", LDAP_CONTROL_VLVRESPONSE, CONST_PERSISTENT | CONST_CS);