diff --git a/product/ZSQLCatalog/Query/Query.py b/product/ZSQLCatalog/Query/Query.py
index d2ceb9e6797ce35cb85187f2b359c3b24bc6ba08..2d159bca490e64bacabc47d65847dcdd90717403 100644
--- a/product/ZSQLCatalog/Query/Query.py
+++ b/product/ZSQLCatalog/Query/Query.py
@@ -26,6 +26,8 @@
 #
 ##############################################################################
 
+from DocumentTemplate.DT_Var import sql_quote
+
 class QueryMixin:
   """
     Mixing class which implements methods which are