diff --git a/simple.yml b/simple.yml
index 8cd881d04ab10b3ecfd9f232ac7f407fb43f8e6b..cbc439879c8d6a7df526db44f0de34769049c44f 100644
--- a/simple.yml
+++ b/simple.yml
@@ -21,8 +21,8 @@ parameterset:
   - name: benchParam
     parameter:
       - name: input_value
-        _: 43.45
-      
+        mode: python
+        _: '{ "jurecadc" : 1.0 , "jedi" : 2.0 }["${system_name}"]'
 step:
   - name: execute
     use: