diff --git a/lib/newdb b/lib/newdb
index c7145fa..a977549 100755
--- a/lib/newdb
+++ b/lib/newdb
@@ -220,7 +220,7 @@ add olcOverlay={4}unique,olcDatabase={2}mdb,cn=config
 objectClass: olcOverlayConfig
 objectClass: olcUniqueConfig
 olcOverlay: {4}unique
-olcUniqueURI: ldap://?supannAutreMail?sub
+olcUniqueURI: ldap:///$SUFFIX?supannAutreMail?sub
 
 add $SUFFIX
 objectClass: organization