diff --git a/api/tasks.py b/api/tasks.py
index ceffe76..6e56993 100644
--- a/api/tasks.py
+++ b/api/tasks.py
@@ -19,19 +19,6 @@ OMADA_PROXY_URL = env("OMADA_PROXY_URL", default="")  # type: ignore
 OMADA_SITE_ID = env("OMADA_SITE_ID", default="")  # type: ignore
 OMADA_GROUP_ID = env("OMADA_GROUP_ID", default="")  # type: ignore
 
-if not OMADA_SITE_ID:
-    raise ValueError(
-        "OMADA_SITE_ID is not set. Please set it in your environment variables."
-    )
-if not OMADA_GROUP_ID:
-    raise ValueError(
-        "OMADA_GROUP_ID is not set. Please set it in your environment variables."
-    )
-if not OMADA_PROXY_URL:
-    raise ValueError(
-        "OMADA_PROXY_URL is not set. Please set it in your environment variables."
-    )
-
 
 @shared_task
 def add(x, y):
@@ -76,6 +63,10 @@ def get_existing_omada_devices():
     Get existing Omada devices from the database.
     :return: List of existing device names.
     """
+    if not OMADA_PROXY_URL:
+        raise ValueError(
+            "OMADA_PROXY_URL is not set. Please set it in your environment variables."
+        )
     try:
         response = requests.get(
             f"{OMADA_PROXY_URL}/9fd0cffa3475a74ae4e4d37de0d12414/api/v2/sites/66dcddb804aa0d2978cf145f/setting/profiles/groups",
@@ -102,6 +93,18 @@ def add_new_devices_to_omada(new_devices: list[dict]):
     Add new devices to Omada.
     :param new_devices: List of new device names to add.
     """
+    if not OMADA_SITE_ID:
+        raise ValueError(
+            "OMADA_SITE_ID is not set. Please set it in your environment variables."
+        )
+    if not OMADA_GROUP_ID:
+        raise ValueError(
+            "OMADA_GROUP_ID is not set. Please set it in your environment variables."
+        )
+    if not OMADA_PROXY_URL:
+        raise ValueError(
+            "OMADA_PROXY_URL is not set. Please set it in your environment variables."
+        )
     try:
         PAYLOAD = {
             "name": "REGISTERED_DEVICES",