diff --git a/source/scripting/libjs/provision.js b/source/scripting/libjs/provision.js
index 101110ea3e0..6b76d2bc1fb 100644
--- a/source/scripting/libjs/provision.js
+++ b/source/scripting/libjs/provision.js
@@ -157,7 +157,7 @@ function ldb_erase(ldb)
 	for (i=0;i<res.length;i++) {
 		ldb.del(res[i].dn);
 	}
-	res = ldb.search("(objectclass=*)", attrs);
+	res = ldb.search("(|(objectclass=*)(dn=*))", attrs);
 	if (res.length != 0) {
 		ldb_delete(ldb);
 		return;
@@ -165,7 +165,6 @@ function ldb_erase(ldb)
 	assert(res.length == 0);
 }
 
-
 /*
   setup a ldb in the private dir
  */