diff --git a/combo/data/models.py b/combo/data/models.py
index c59cfa4a..73e86a1e 100644
--- a/combo/data/models.py
+++ b/combo/data/models.py
@@ -1074,6 +1074,7 @@ class JsonCellBase(CellBase):
                     context[varname] = context['request'].GET[varname]
         self._json_content = None
 
+        extra_context.update(self.get_cell_parameters_context())
         context.update(self.get_cell_parameters_context())
         context['concerned_user'] = self.get_concerned_user(context)
 
@@ -1344,7 +1345,9 @@ class ConfigJsonCell(JsonCellBase):
         return config_form_class
 
     def get_cell_parameters_context(self):
-        return self.parameters or {}
+        context = copy.copy(self.parameters or {})
+        context['parameters'] = self.parameters
+        return context
 
 
 class ExternalLinkSearchItem(models.Model):