diff --git a/cost_estimation/src/datapostprocessing.py b/cost_estimation/src/datapostprocessing.py
index a6336cf34c667830b1aca5c6202eebb1cab0c3a4..ea47adfdc401a2b16d55122adb608ddd352df965 100644
--- a/cost_estimation/src/datapostprocessing.py
+++ b/cost_estimation/src/datapostprocessing.py
@@ -72,7 +72,7 @@ def data_postprocessing(paths_and_names, routing_dict, data_dict, runtime_output
                             'value': '0',
                             'unit': '1',
                             'lower_boundary': '0',
-                            'upper_boundary': 'inf'
+                            'upper_boundary': '100000'
                         },
                         'route_independent_cost_annual': {
                             'attributes': {'description': 'Route independent (fixed) cost per year'},
@@ -112,7 +112,7 @@ def data_postprocessing(paths_and_names, routing_dict, data_dict, runtime_output
                     'value': '0',
                     'unit': '1',
                     'lower_boundary': '0',
-                    'upper_boundary': 'inf'
+                    'upper_boundary': '100000'
                 }
 
     paths_and_names = prepare_element_tree_for_module_key_parameter(paths_and_names, module_key_parameters_dict)