diff --git a/server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs b/server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs
index ba24ec8f..b2010b57 100644
--- a/server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs
+++ b/server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs
@@ -110,9 +110,9 @@ namespace AyaNova.DataList
                     if (y < filterItems.Count - 1)
                     {
                         if (IsOrFilter)
-                            sb.Append(") OR ");
+                            sb.Append(") OR (");
                         else
-                            sb.Append(") AND ");
+                            sb.Append(") AND (");
                     }
                     // else
                     // {