diff --git a/application/models/Attribute.php b/application/models/Attribute.php
index 64f15f189..700728ea1 100644
--- a/application/models/Attribute.php
+++ b/application/models/Attribute.php
@@ -373,11 +373,11 @@ class Attribute extends CI_Model
 
 					$this->db->trans_start();
 
-					$query = 'UPDATE ospos_attribute_values values ';
+					$query = 'UPDATE ospos_attribute_values vals ';
 					$query .= 'INNER JOIN ospos_attribute_links links ';
-					$query .= 'ON values.attribute_id = links.attribute_id ';
-					$query .= "SET links.attribute_id = IF((values.attribute_value IN('FALSE','0','') OR (values.attribute_value IS NULL)), $checkbox_attribute_values[0], $checkbox_attribute_values[1]) ";
-					$query .= 'WHERE definition_id = ' . $this->db->escape($definition_id);
+					$query .= 'ON vals.attribute_id = links.attribute_id ';
+					$query .= "SET links.attribute_id = IF((vals.attribute_value IN('FALSE','0','') OR (vals.attribute_value IS NULL)), $checkbox_attribute_values[0], $checkbox_attribute_values[1]) ";
+					$query .= 'WHERE links.definition_id = ' . $this->db->escape($definition_id);
 					$success = $this->db->query($query);
 
 					$this->db->trans_complete();
@@ -664,4 +664,4 @@ class Attribute extends CI_Model
 
 		return $this->db->update('attribute_definitions', array('deleted' => 1));
 	}
-}
\ No newline at end of file
+}