diff --git a/wrappers/pyvrp.rb b/wrappers/pyvrp.rb
index 922cbb88..5cf97c66 100644
--- a/wrappers/pyvrp.rb
+++ b/wrappers/pyvrp.rb
@@ -314,11 +314,9 @@ def build_vehicles(vrp)
 
       vrp.vehicles.map { |veh|
         capacity_hash = all_units.map{ |id, _unit| [id, MAX_INT64] }.to_h
-        limit_hash = all_units.map{ |id, _unit| [id, MAX_INT64] }.to_h
         veh.capacities.each do |capacity|
           capacity_hash[capacity.unit_id] =
             (capacity.limit && (capacity.limit * CUSTOM_QUANTITY_BIGNUM).to_i || MAX_INT_UNITS)
-          limit_hash[capacity.unit_id] = capacity.initial&.to_i || capacity.limit&.to_i || MAX_INT64
         end
 
         capacity_skills = Array.new(@skills_index_hash.size, 0)
diff --git a/wrappers/pyvrp_wrapper.py b/wrappers/pyvrp_wrapper.py
index e363b8ed..d84df2fe 100644
--- a/wrappers/pyvrp_wrapper.py
+++ b/wrappers/pyvrp_wrapper.py
@@ -34,7 +34,7 @@ def main(input_path, output_path, timeout=None):
     data = ProblemData.from_dict(json_data)
     m = Model.from_data(data)
     # Solve the problem
-    penalty_params = PenaltyParams(min_penalty=1e10, max_penalty=1e10)
+    penalty_params = PenaltyParams(min_penalty=1e5, max_penalty=1e10)
     solve_params = SolveParams(penalty=penalty_params)
     result = m.solve(stop=MaxRuntime(int(timeout)), params=solve_params)