diff --git a/execution/run_uc.py b/execution/run_uc.py
index 349e42120ee58a409b0114fccad79caf18fff238..52112d859e7b308217ebd2731a8d8637b493ff94 100644
--- a/execution/run_uc.py
+++ b/execution/run_uc.py
@@ -456,7 +456,7 @@ def reset_cluster(wg, app_svc, app_svc_monitor, app_jmx, app_deploy, topics):
     stop_lag_exporter()
 
 
-def main(exp_id, uc_id, dim_value, instances, partitions, cpu_limit, memory_limit, commit_interval_ms, execution_minutes, prometheus_base_url=None, reset=False, reset_only=False, ns=namespace):
+def main(exp_id, uc_id, dim_value, instances, partitions, cpu_limit, memory_limit, commit_interval_ms, execution_minutes, prometheus_base_url, reset, reset_only, ns):
     """
     Main method to execute one time the benchmark for a given use case.
     Start workload generator/application -> execute -> analyse -> stop all
diff --git a/execution/strategies/subexperiment_execution/subexperiment_executor.py b/execution/strategies/subexperiment_execution/subexperiment_executor.py
index d971031a2c0ec40e6ae6711432015fe71add6404..7bcf182f5bee1fcc99d2a8c0040df208ae77bdb3 100644
--- a/execution/strategies/subexperiment_execution/subexperiment_executor.py
+++ b/execution/strategies/subexperiment_execution/subexperiment_executor.py
@@ -14,5 +14,7 @@ def execute(subexperiment_config):
         memory_limit=subexperiment_config.memory_limit,
         commit_interval_ms=subexperiment_config.kafka_streams_commit_interval_ms,
         execution_minutes=int(subexperiment_config.execution_minutes),
+        prometheus_base_url=None,
         reset=False,
-        reset_only=False)
+        reset_only=False,
+        ns="default")
diff --git a/execution/theodolite.py b/execution/theodolite.py
index 9ca98ddc4bfb34df9b4df1d4e67da37537704a79..3c0506355aff373795adb762e0b66ec64456c5df 100755
--- a/execution/theodolite.py
+++ b/execution/theodolite.py
@@ -29,7 +29,9 @@ def load_variables():
     return args
 
 
-def main(uc, loads, instances_list, partitions, cpu_limit, memory_limit, commit_ms, duration, domain_restriction, search_strategy, reset, reset_only, namespace):
+def main(uc, loads, instances_list, partitions, cpu_limit, memory_limit,
+         commit_ms, duration, domain_restriction, search_strategy,
+         prometheus_base_url ,reset, reset_only, namespace):
 
     print(f"Domain restriction of search space activated: {domain_restriction}")
     print(f"Chosen search strategy: {search_strategy}")
@@ -44,8 +46,8 @@ def main(uc, loads, instances_list, partitions, cpu_limit, memory_limit, commit_
     separator = ","
     lines = [
             f"UC={uc}\n",
-            f"DIM_VALUES={separator.join(loads)}\n",
-            f"REPLICAS={separator.join(instances_list)}\n",
+            f"DIM_VALUES={separator.join(map(str, loads))}\n",
+            f"REPLICAS={separator.join(map(str, instances_list))}\n",
             f"PARTITIONS={partitions}\n",
             f"CPU_LIMIT={cpu_limit}\n",
             f"MEMORY_LIMIT={memory_limit}\n",
@@ -174,5 +176,5 @@ if __name__ == '__main__':
     args = load_variables()
     main(args.uc, args.loads, args.instances_list, args.partitions, args.cpu_limit,
          args.memory_limit, args.commit_ms, args.duration,
-         args.domain_restriction, args.search_strategy, args.reset,
-         args.reset_only, args.namespace)
+         args.domain_restriction, args.search_strategy, args.prometheus,
+         args.reset, args.reset_only, args.namespace)