diff --git a/simple.yml b/simple.yml
index e2e80f3df21ab69d1e646003435dd3fef758b9e6..95809a8225ab804faa66467f2f04fd9cf7125648 100644
--- a/simple.yml
+++ b/simple.yml
@@ -73,6 +73,8 @@ parameterset:
               "jedi" : "module load GCC Python OpenMPI mpi4py" }["${system_name}"]'
       - name: executable
         _: "python"
+      - name: taskspernode
+        _: "4"
       - name: args_exec
         _: "src/value.py --number ${input_value} --input codegen/genparam"