diff --git a/carla_sim/GA.py b/carla_sim/GA.py
index 2392b09..94e42f9 100644
--- a/carla_sim/GA.py
+++ b/carla_sim/GA.py
@@ -13,6 +13,7 @@
 from collections import namedtuple
 import yaml
 from datetime import datetime
+import argparse
 
 def get_similarity_between_npc_behaviors(b1, b2):
     n = min(len(b1), len(b2))
@@ -219,7 +220,14 @@ def genetic_fuzzer(spawn_config, weather_params,
     return best_ind, best_fit
 
 if __name__ == '__main__':
-    ga_cfg = tools.load_ga_config('./parameters/ga.yaml')
+    parser = argparse.ArgumentParser(prog = 'GA.py', description='AV-Fuzzer Genetic Algorithm')
+    parser.add_argument('-g', '--genetics', default='parameters/GA.yaml', type=str, metavar='path/to/genetics.yaml')
+    parser.add_argument('-w', '--weather', default='parameters/weather.yaml', type=str, metavar='path/to/weather.yaml')
+    parser.add_argument('-s', '--spawn', default='parameters/spawn.yaml', type=str, metavar='path/to/spawn.yaml')
+
+    args = parser.parse_args()
+
+    ga_cfg = tools.load_ga_config(args.genetics)
 
     POP_SIZE       = ga_cfg['pop_size']
     MAX_GENS       = ga_cfg['max_gens']
@@ -227,8 +235,8 @@ def genetic_fuzzer(spawn_config, weather_params,
     MUTATION_RATE  = ga_cfg['mutation_rate']
     TOURNAMENT_K   = ga_cfg['tournament_k']
 
-    weather_config = tools.load_weather_yaml('./parameters/weather.yaml')
-    spawn_config  = tools.load_spawn_yaml('./parameters/spawn.yaml')
+    weather_config = tools.load_weather_yaml(args.weather)
+    spawn_config  = tools.load_spawn_yaml(args.spawn)
 
 
     best_ind, best_fit = genetic_fuzzer(
diff --git a/carla_sim/parameters/spawn.yaml b/carla_sim/parameters/spawn.yaml
index e83aa6a..c87b0b9 100644
--- a/carla_sim/parameters/spawn.yaml
+++ b/carla_sim/parameters/spawn.yaml
@@ -1,3 +1,6 @@
+map:
+  "Town03"
+  
 ev:
   start: [30.874001, 7.542412, 0.3]
   end: [205.874001, 8.542412, 0.3]
diff --git a/carla_sim/simulation.py b/carla_sim/simulation.py
index c73b803..9b9e445 100644
--- a/carla_sim/simulation.py
+++ b/carla_sim/simulation.py
@@ -27,7 +27,7 @@ def run_simulation(spawn_config, weather_params,
 
     client = carla.Client("localhost", 2000)
     client.set_timeout(10.0)
-    client.load_world('Town03')
+    client.load_world(spawn_config['map'])
     world = client.get_world()
     tools.set_weather(world, weather_params)