diff --git a/source/Ox.UI/js/Core/Ox.URL.js b/source/Ox.UI/js/Core/Ox.URL.js
index 6967fe65..ff3b4591 100644
--- a/source/Ox.UI/js/Core/Ox.URL.js
+++ b/source/Ox.UI/js/Core/Ox.URL.js
@@ -308,11 +308,9 @@ Ox.URL = function(options) {
                 return false;
             }
         });
-        if (
-            !condition.operator
-            || Ox.getPositionById(self.options.findKeys, condition.key) == -1
-        ) {
-            // missing operator or unknown key
+        if (Ox.getPositionById(self.options.findKeys, condition.key) == -1) {
+            condition = {key: '*', value: str, operator: '='};
+        } else if (!condition.operator) {
             condition = {key: '*', value: condition.value, operator: '='};
         }
         if (['=', '!='].indexOf(condition.operator) > -1) {