diff --git a/src/calculation_time_constrains/service.py b/src/calculation_time_constrains/service.py
index 3a05b93..315bd2f 100644
--- a/src/calculation_time_constrains/service.py
+++ b/src/calculation_time_constrains/service.py
@@ -1205,7 +1205,7 @@ class OptimumCostModel:
                 procurement_costs = [r["procurement_cost"] for r in predicted_costs]
                 procurement_details = [r["procurement_details"] for r in predicted_costs]
                 failures = [(1-r["reliability"]) for r in predicted_costs]
-                total_costs = [r['total_cost'] for r predicted_costs]
+                total_costs = [r['total_cost'] for r in predicted_costs]
 
                 # Pad arrays to max_interval length
                 def pad_array(arr, target_length):