diff --git a/dev/README.md b/dev/README.md
index 60450ef..9dc95e2 100644
--- a/dev/README.md
+++ b/dev/README.md
@@ -123,6 +123,7 @@ The `backend` code houses the `scheduler` and the `RESTful API`. The following e
 - `DOCKER_API_RETRIES`: how many times to retry requests to the Docker daemon
 - `DOCKER_API_RETRY_DURATION`: how long to wait before retrying a failed request
 - `WIREGUARD_IMAGE`
+- `WIREGUARD_PORT`: port for routing wireguard traffic in the wireguard container. This is not the exposed port.
 - `WIREGUARD_KERNEL_MODULES`: where to load wireguard kernel modules from (default `/lib/modules`)
 - `WIREGUARD_HEALTHCHECK_INTERVAL_SECONDS`
 - `WIREGUARD_HEALTHCHECK_TIMEOUT_SECONDS`
diff --git a/worker/manager/src/mirrors_qa_manager/settings.py b/worker/manager/src/mirrors_qa_manager/settings.py
index 974d885..318da47 100644
--- a/worker/manager/src/mirrors_qa_manager/settings.py
+++ b/worker/manager/src/mirrors_qa_manager/settings.py
@@ -40,6 +40,7 @@ class Settings:
     WIREGUARD_CONTAINER_NAME = getenv(
         "WIREGUARD_CONTAINER_NAME", default="mirrors-qa-wireguard"
     )
+    WIREGUARD_PORT = int(getenv("WIREGUARD_PORT", default=51820))
     # Optional path for loading kernel modules for wireguard container
     WIREGUARD_KERNEL_MODULES_FPATH = Path(
         getenv("WIREGUARD_KERNEL_MODULES", default="/lib/modules")
diff --git a/worker/manager/src/mirrors_qa_manager/worker.py b/worker/manager/src/mirrors_qa_manager/worker.py
index 2075555..bfeb859 100644
--- a/worker/manager/src/mirrors_qa_manager/worker.py
+++ b/worker/manager/src/mirrors_qa_manager/worker.py
@@ -7,7 +7,7 @@
 import signal
 import sys
 import time
-from collections.abc import Iterable
+from collections.abc import Generator
 from enum import Enum
 from pathlib import Path
 from typing import Any
@@ -131,8 +131,8 @@ def wg_container_is_healthy(self) -> ExecResult | None:
                 Settings.WIREGUARD_CONTAINER_NAME,
                 self.wg_healthcheck_cmd,
             )
-        except APIError:
-            logger.error("error whlie performing healthcheck: {exc!s}")
+        except APIError as exc:
+            logger.error(f"error whlie performing healthcheck: {exc!s}")
             return None
 
     def wg_healthcheck_untill_healthy(
@@ -201,7 +201,9 @@ def start_wireguard_container(self, image_name: str, conf_fpath: Path) -> Contai
                 "timeout": Settings.WIREGUARD_HEALTHCHECK_TIMEOUT_NANOSECONDS,
                 "retries": Settings.WIREGUARD_HEALTHCHECK_RETRIES,
             },
-            ports={"51820/udp": None},  # Let the host assign a random port
+            ports={
+                f"{Settings.WIREGUARD_PORT}/udp": None
+            },  # Let the host assign a random port
             sysctls={"net.ipv4.conf.all.src_valid_mark": 1},
             environment={
                 "PUID": 1000,
@@ -292,7 +294,7 @@ def update_countries_list(self):
             "countries."
         )
 
-    def fetch_tests(self) -> Iterable[dict[str, str]]:
+    def fetch_tests(self) -> Generator[dict[str, str], None, None]:
         logger.debug("Fetching tasks from backend API")
         # Fetch tasks that were assigned to the worker that haven't been expired
         params = urlencode({"worker_id": self.worker_id, "status": "PENDING"})