diff --git a/src/xPDO/Om/xPDOQuery.php b/src/xPDO/Om/xPDOQuery.php
index 5936ca61..36c0fca1 100644
--- a/src/xPDO/Om/xPDOQuery.php
+++ b/src/xPDO/Om/xPDOQuery.php
@@ -134,6 +134,12 @@ public function __construct(& $xpdo, $class, $criteria= null) {
                 }
             }
         }
+        if ($operators = json_decode($this->xpdo->getOption('allowed_sql_operators', null, ''))) {
+            if (is_array($operators)) $this->_operators = array_unique(array_merge($this->_operators, $operators));
+        }
+        if ($operators = json_decode($this->xpdo->getOption('denied_sql_operators', null, ''))) {
+            if (is_array($operators)) $this->_operators = array_diff($this->_operators, $operators);
+        }
     }
 
     /**