diff --git a/include/portable.hin b/include/portable.hin
index 3b0d91cce9..53631699f8 100644
--- a/include/portable.hin
+++ b/include/portable.hin
@@ -1014,6 +1014,9 @@
 /* define for Sequential Modify overlay */
 #undef SLAPD_OVER_SEQMOD
 
+/* define for ServerSideSort/VLV overlay */
+#undef SLAPD_OVER_SSSVLV
+
 /* define for Syncrepl Provider overlay */
 #undef SLAPD_OVER_SYNCPROV