diff --git a/tardis/opacities/macro_atom/macroatom_solver.py b/tardis/opacities/macro_atom/macroatom_solver.py
index 8dc44912597..27924ec7557 100644
--- a/tardis/opacities/macro_atom/macroatom_solver.py
+++ b/tardis/opacities/macro_atom/macroatom_solver.py
@@ -75,7 +75,7 @@ def solve(
         return MacroAtomState(
             transition_probabilities,
             macro_atom_info["transition_type"],
-            macro_atom_info["destination_level_id"],
+            macro_atom_info["destination_level_idx"],
             macro_atom_info["lines_idx"],
             macro_block_references,
             legacy_plasma.atomic_data.lines_upper2macro_reference_idx,
@@ -172,7 +172,7 @@ def solve(
         return MacroAtomState(
             transition_probabilities,
             macro_atom_info["transition_type"],
-            macro_atom_info["destination_level_id"],
+            macro_atom_info["destination_level_idx"],
             macro_atom_info["lines_idx"],
             macro_block_references,
             legacy_plasma.atomic_data.lines_upper2macro_reference_idx,