diff --git a/src/pineko/evolve.py b/src/pineko/evolve.py
index 2b673fe2..2e17e9b0 100644
--- a/src/pineko/evolve.py
+++ b/src/pineko/evolve.py
@@ -270,8 +270,8 @@ def evolve_grid(
     rich.print(f"Optimizing for {assumptions}")
     fktable.optimize(assumptions)
     fktable.set_key_value("eko_version", operators.metadata.version)
-    fktable.set_key_value("eko_theory", json.dumps(operators.theory_card.raw))
-    fktable.set_key_value("eko_operator", json.dumps(operators.operator_card.raw))
+    fktable.set_key_value("eko_theory_card", json.dumps(operators.theory_card.raw))
+    fktable.set_key_value("eko_operator_card", json.dumps(operators.operator_card.raw))
     fktable.set_key_value("pineko_version", version.__version__)
     # compare before/after
     comparison = None