diff --git a/CRM/ConstituentsOnly/BAO/Query.php b/CRM/ConstituentsOnly/BAO/Query.php
index b9e033a..003c604 100644
--- a/CRM/ConstituentsOnly/BAO/Query.php
+++ b/CRM/ConstituentsOnly/BAO/Query.php
@@ -18,6 +18,9 @@ class CRM_ConstituentsOnly_BAO_Query extends CRM_Contact_BAO_Query_Interface {
    * @access public
    */
   public function where(&$query) {
+    if (empty($query->_paramLookup['entryURL'])) {
+      return;
+    }
     if (CRM_Utils_Array::value('civicrm_contact', $query->_tables)) {
       $query->_where[0][] = "( contact_a.do_not_trade IS NULL OR contact_a.do_not_trade = 0)";
     }