diff --git a/src/eko/io/runcards.py b/src/eko/io/runcards.py
index 450b4479e..2ab9a7faa 100644
--- a/src/eko/io/runcards.py
+++ b/src/eko/io/runcards.py
@@ -331,6 +331,7 @@ def new_operator(self):
             "ev_op_iterations",
             "n_integration_cores",
             "polarized",
+            "time_like",
         ):
             new["configs"][k] = old[k]
         max_order = old["ev_op_max_order"]