diff --git a/hydrus/client/networking/ClientNetworkingURLClass.py b/hydrus/client/networking/ClientNetworkingURLClass.py
index 5e9e60c6..c6bbacf4 100644
--- a/hydrus/client/networking/ClientNetworkingURLClass.py
+++ b/hydrus/client/networking/ClientNetworkingURLClass.py
@@ -187,7 +187,7 @@ class URLClassParameterFixedName( HydrusSerialisable.SerialisableBase ):
     
     def MustBeInOriginalURL( self ):
         
-        return self._default_value is None
+        return self._default_value is None and not self.IsEphemeralToken()
         
     
     def MatchesName( self, name ):