diff --git a/pym/update/variables/update.py b/pym/update/variables/update.py
index 75da7c9..2e4a828 100644
--- a/pym/update/variables/update.py
+++ b/pym/update/variables/update.py
@@ -53,9 +53,14 @@ class VariableAcUpdateSync(ReadonlyVariable):
                 return self.Get('cl_update_world')
         return ""
 
+class VariableClUpdateWorldDefault(Variable):
+    """
+    Ad-hoc
+    """
+    value = "update"
+
 class VariableClUpdateWorld(Variable):
     type = "choice"
-    value = "update"
     opt = ["--world"]
     syntax = "--{choice}-world"
     metavalue = "MODE"
@@ -66,6 +71,9 @@ class VariableClUpdateWorld(Variable):
                      ",\n'update' - " + _("update the system packages list"))
         self.label = _("System packages list")
 
+    def get(self):
+        return self.Get('cl_update_world_default')
+
     def choice(self):
         return [("rebuild", _("Rebuild")),
                 ("merge", _("Merge")),