diff --git a/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py b/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
index 9c01c72c7..aa12bfe73 100644
--- a/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
+++ b/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
@@ -45,24 +45,16 @@ def start_machines(machine_list):
     """
     LOGGER.info("Setting up all GCP machines...")
     try:
-        arglist = []
-        for zone in machine_list:
-            arglist.append((MACHINE_STARTING_COMMAND, machine_list, zone))
-        with Pool(2) as pool:
-            pool.map(run_gcp_command, arglist)
-            LOGGER.info("GCP machines successfully started.")
+        run_gcp_pool(MACHINE_STARTING_COMMAND, machine_list)
+        LOGGER.info("GCP machines successfully started.")
     except Exception as e:
         LOGGER.error("GCP Handler failed to start GCP machines: %s" % e)
 
 
 def stop_machines(machine_list):
     try:
-        arglist = []
-        for zone in machine_list:
-            arglist.append((MACHINE_STOPPING_COMMAND, machine_list, zone))
-        with Pool(2) as pool:
-            pool.map(run_gcp_command, arglist)
-            LOGGER.info("GCP machines stopped successfully.")
+        run_gcp_pool(MACHINE_STOPPING_COMMAND, machine_list)
+        LOGGER.info("GCP machines stopped successfully.")
     except Exception as e:
         LOGGER.error("GCP Handler failed to stop network machines: %s" % e)
 
@@ -78,6 +70,13 @@ def get_set_project_command(project):
 def run_gcp_command(arglist):
     gcp_cmd, machine_list, zone = arglist
     subprocess.call(  # noqa DUO116
-        (gcp_cmd % (" ".join(machine_list[zone]), zone)),
+        (gcp_cmd % (" ".join(machine_list), zone)),
         shell=True,
     )
+
+
+def run_gcp_pool(gcp_command, machine_list):
+    arglist = [(gcp_command, machine_list[zone], zone) for zone in machine_list]
+    with Pool(2) as pool:
+        pool.map(run_gcp_command, arglist)
+